Clamp-On Furling Line Stanchion Lead Block - 1" Ball BearingDelrin™ ball bearing sheave allows for quick and easy furling line adjustment. Stainless steel cage and strap ensure durability. Specifications:
Stanchions 1" (25mm) in diameter
1-7/16" (37mm) Sheave Diameter
Maximum 1/2" (12mm) line size
Safe Working Load = 1000 lbs (450kg)
Series 30 Ball Bearing Orbit Block - Single - Becket - Swivel Shackle HeadBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head, cleat arms and beckets.Features:
Lightweight
Highest working load in its class
Secure, versatile and secure attachement
Low profile and compact
Ultra low profile thru-sheave becket
Low friction 2-stage ball bearing system provides consistent performance over the full working load range
Applications:
Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
Halyard, vang and backstay applications on boats to 5M(16')
Control line applications on larger yachts
Materials:
Sheave: High compression strength carbon black Acetal
Ball Bearings: High compression strength Acetal
Frame/Cheeks: Toughened, glass fiber reinforced Nylon
Link: UV stabilized, multi-strand impregnated SK75 Dyneema®
Specifications:Sheave Ø: 30mm(1-3/16")Max. Rope Ø: 8mm(5/16")M.W.L.: 300kg(660lbs)B. L.: 600kg(1,320lbs)Weight: 32g(1.1oz) Quick Guide (pdf)
Series 40 All Purpose Block - Single - Stand UpAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Captive Lock universal head can be fixed in either of two planes, or free to swivel as required.Features:
Exceptionally high working loads
Low maintenance, long service life
Self-lubricating sheave
Captive Lock universal head
Mount with 2 x 5mm (3/16") fasteners (not supplied)
Applications:
Mainsheet
Halyard
Vang
Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26')
Materials:
U.V. stabilized Acetal sheaves
Impact and U.V. resistant, fiber reinforced Nylon cheeks
Grade 316 stainless steel bearing race
Grade 316 stainless steel load strap and head fitting
Specifications:Sheave Ø: 40mm(1-9/16")Max. Rope Ø: 10mm(7/16")M.W.L.: 400kg(880lbs)B. L.: 800kg(1,760lbs)Weight: 72g(2.5oz)
Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket OptionThe incredible Series 20 Orbit Block is capable of loads up to 250kg (550lb) while weighing a mere 9 grams. It's so light that it needs to be lashed down!Features:
Integrated stainless steel hub to accept lashing attachment and through-sheave becket
Suits up to 4mm(5/32") lashing
Includes 750mm (30") x 1.7mm(1/16") diam lashing
Applications:Control lines on dinghies and catamarans to 5M(16')Materials:
Sheave: High compression strength carbon acetal
Ball bearings: stainless steel
Frame/Cheeks: Nylon
Brochure (pdf)
Series 50 All Purpose Block - Single - Universal HeadAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Captive Lock universal head can be fixed in either of two planes, or free to swivel as requiredFeatures:
Exceptionally high working loads
Low maintenance, long service life
Self lubricating sheave
Captive Lock universal head
Slotted pin shackle eliminates fouled lines
Applications:Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10M(33')Materials:
Nylatron® sheave
Grade 316 stainless steel load strap and head fitting
Impact and U.V. resistant, fiber reinforced Nylon cheeks
Specifications:Sheave Ø: 50mm(2")Max. Rope Ø: 12mm(1/2")Max. Pin Ø: 5mm(3/16")M.W.L.: 750kg(1,650lbs)B. L.: 1,500kg(3,310lbs)Weight: 118g(4.1oz)
72mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on mainsheet systems. Each component is perfectly synchronized with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.Features:
Stainless steel strap for improved strength and longer service life
Stiff glass fiber reinforced cheeks to prevent lines from wedging
Innovative design with “tool-free” sliding swivel locking mechanism
Technical Specifications:
Working Load Limit - 2420lb
Weight - 6.69oz
Maximum Line Size - .47" (12mm)
*Sold as an Individual
Single Aluminum Block - 51mm SheaveSingle block with anodized aluminum cheeks. Delrin™ sheave ensures smooth operation with high safe working load. Swivel head may be locked in place to avoid twist. Specifications:
Sheave Dia. 2" (51mm)
Thickness 15/16" (24mm)
Width 2 1/8" (54mm)
Length 4 13/32" (112mm)
SWL 1750 lbs. (795kg)
Weight 5oz. (142g)
Max. Line size 7/16" (11mm)
Series 50 All Purpose Block - Single Stand UpFeatures:
Exceptionally high working loads
Low maintenance, long service life
Self-lubricating Acetal polymer sheave ensures low friction and extreme durability
Captive Lock™ universal head
Slotted pin shackle eliminates fouled lines
Mount with 2 x 5mm (3/6") fasteners (not supplied)
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removable so line can be spliced prior to fitting.Applications:
Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
S60 - on boats up to 12m (40ft)
Typically used in direct 4:1 purchase systems such as mainsheets and boom vangs
On larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls.
Materials:
Grade 316 stainless steel load strap
Impact and UV resistant, fiber reinforced Nylon cheeks
40mm Carbo Air Pivoting Lead Block with Aluminum Cam-Matic® CleatHigh-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as “headknockers” on dinghies and beachcats for sheeting directly from the boom. Hole spacing and rivet size are the same as Classic models, making upgrades easy. Cam reverses for either up or down cleating.Can be used as becket block.Specifications:
Sheave Ø (mm)40 mm
Sheave Ø (in)1 9/16 in
Maximum line Ø (mm)10 mm
Maximum line Ø (in)3/8 in
Maximum working load (kg)136 kg
Maximum working load (lb)300 lb
40mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats.Specifications:
Sheave: 40mm / 1-9/16in
Length: 131mm / 5-1/8in
Weight: 54g / 1.9oz
Shackle pin: 4mm / 5/32in
Maximum line: 10mm / 3/8in
Maximum working load: 220kg / 485lb
Breaking load: 735kg / 1620lb
29mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.Specifications:
Sheave: 29mm / 1-1/8in
Length: 66mm / 2-5/8in
Weight: 26g / .9oz
Shackle pin: 4mm / 5/32in
Maximum line: 8mm / 5/16in
Maximum working load: 150kg / 330lb
Breaking load: 454kg / 1000lb