Description
1 Ton Twing Block
The Twing block features a spring-loaded side opening mechanism for true one-handed rigging, even while wearing sailing gloves. Black anodized aluminum sideplates are edged with robust bumpers to protect the block, topsides, and deck. The sheave is aluminum rolling on a bearing system shared with Harken's existing 2.3T high-load snatch block.
Features:
- Side opening side plate - Easy to rig and remove from sheet
- Spring loaded button release - Quick one-handed rigging
- Anti-capsize bar - Keeps sheave aligned on sheet
- ULC main bearing - Sheave turns smoothly under extreme loading
- Sideload balls - Carry loads especially when the block is not aligned in light air
- Thimble at pivot base - Use 1:1 or 2:1 up-down control
- Machined aluminum inner sideplates - High strength, low weight
- Soft polyurethane outer side plate bumpers - Protects block and deck
Uses:
- Twing, tweaker control for code zero sheets
- Can be used as a snatch block when combined with a soft shackle
- Spinnaker sheet and guy control
Specifications:
- Sheave Ø (mm): 38.5 mm
- Sheave Ø (in): 1-1/2 in
- Maximum line Ø (mm): 11 mm
- Maximum line Ø (in): .43 in
- Maximum working load (kg): 1000 kg
- Maximum working load (lb): 2205 lb
- Breaking load (kg): 2000 kg
- Breaking load (lb): 4409 lb
Owner's Manual (pdf)
![Harken 1 Ton Twing Block [3405]](http://safewaterstore.net/cdn/shop/files/103567XL.jpg?v=1712763538)
![Harken 1 Ton Twing Block [3405]](http://safewaterstore.net/cdn/shop/files/103567XL.jpg?height=430&v=1712763538)