Harken One Ton Twing Block - 3405

Harken One Ton Twing Blocks feature a spring-loaded side-opening mechanism that supports true one-handed rigging, even while wearing sailing gloves. Black anodized aluminum sideplates are fitted with durable bumpers to help protect the block, topsides, and deck surfaces. The aluminum sheave rolls on a bearing system shared with Harken high-load snatch blocks for smooth operation under load.

Features:

• Spring-loaded side opening supports one-handed rigging
• Designed for use while wearing sailing gloves
• Black anodized aluminum sideplates with protective bumpers
• Aluminum sheave with high-load bearing system
• Suitable for high-load twing and control line applications

Specifications:

• Sheave Diameter: 38.5 mm (1 1/2")
• Length: 78 mm (3")
• Maximum Line Diameter: 11 mm (0.43")
• Maximum Working Load: 1000 kg (2205 lbs)
• Breaking Load: 2000 kg (4409 lbs)
• Weight: 143 g (1.4 oz)

Owner's Manual