This Harken 38 mm wire block, single with swivel, is a lightweight, low-friction block for high-load wire and line.
The block features a 38 mm Hardkote-anodized, Teflon-impregnated aluminum sheave with a composite sleeve bearing. Delrin ball bearings help handle side loads and minimize friction between the sheave and the block cheeks.
The block is designed for a maximum wire diameter of 3 mm and a maximum line diameter of 5 mm. It can be opened to allow the line to be inserted into the block.
Key features
38 mm sheave for wire and line
Max. wire Ø3 mm and line Ø5 mm
SWL of 680 kg and breaking strength of 1361 kg
Hardkote-anodized aluminum sheave
Can be opened for easy line insertion