Sailing - Blocks

60mm Double Aluminum Element Block with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.Sideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life.Features: Sheave Ø (mm): 60 mm Sheave Ø (in): 2-3/8 in Maximum line Ø (mm): 14 mm Maximum line Ø (in): 9/16 in Maximum working load (kg): 1375 kg Maximum working load (lb): 3032 lb

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16mm Double Block with Becket The 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race.Specifications: Sheave: 16mm / 5/8in Length: 54mm / 2-1/8in Weight: 28g / 1oz Maximum line: 5mm / 7/32in Maximum working load: 204kg/ 450lb Breaking load: 544kg / 1200lb

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Anti-Rattle Hasp & StapleThis hinge was fabricated from marine-grade 316 stainless steel and electro-polished for a long-lasting high finish. Features: The pins of the hasps and staples are welded in place for added security Anti-rattle Specifications:Closed Length: 78mm

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25mm Treble Block with Center BecketThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light. Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.32 can be used to create a 6:1 purchase system to aid in lifting heavier objects and decrease the load on the rope Specifications: Max Rope: 8mm Breaking Load: 1250kg

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Hasp & Staple - 78mmThis hinge was fabricated from marine-grade 316 stainless steel and electro-polished for a long-lasting high finish. Features:The pins of the hasps and staples are welded in place for added securitySpecifications: Closed Length: 78mm  Weight: 0.02kg

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25mm Double Block with ShackleThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.21 can be used to create a 4:1 purchase system to aid in lifting heavier objects and decrease the load on the rope Specifications: Max Rope: 8mm Breaking Load: 1000kg

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25mm Treble Block with V-JamThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light. Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.35 can be used to create a 6:1 purchase system to aid in lifting heavier objects and decrease the load on the rope. The V jammer can be used to cleat the rope at any point during lifting or tension Specifications: Max Rope: 8mm Breaking Load: 1250kg

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Hasp & Staple 52mmThis hinge was fabricated from marine-grade 316 stainless steel and electro-polished for a long-lasting high finish. Features:The pins of the hinges and staple are welded in place for added securitySpecifications:Closed Length: 52mm

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Pad Eye Plate 46mm x 46mmThis eye plate is manufactured from 316 stainless steel and underwent multiple machining and finishing operations to ensure it had a smooth finish and was free of damaging sharp corners and burs.Features:Electro-polished to give it as much resistance to the marine environment as possible.Specifications: Plate Size: 46 x 46mm Plate Thickness:1.5mm Eye Diameter: 6.3mm Weight: 0.1kg

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25mm Single Block with BecketThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.                                                         Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.11 features a becket at one end and a clevis pin attachment at the other, so this block could be used for creating a purchase system and easily attached to a fixing point with the clevis pin attachment Specifications: Max Rope: 8mm Breaking Load: 500kg

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Hatch LockUsed to secure the sliding hatch to the washboards, this hatch lock can be operated from the cabin or the cockpit. Provision for a padlock.Features: Suitable for washboards up to 19mm thick The Only RORC-certified hatch lock Specifications:Weight: 0.2kg

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25mm Treble Block with ShackleThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light. Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.31 can be used to create a 6:1 purchase system to aid in lifting heavier objects and decrease the load on the rope Specifications: Max Rope: 8mm Breaking Load: 1250kg

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