This Harken 25 mm through-deck wire block is a lightweight and efficient block for sailing applications where wire or line needs to be led with low friction under high loads.
The block is designed for wire up to Ø2 mm and line up to Ø4 mm, featuring a 25 mm sheave, a SWL of 454 kg, and a breaking strength of 907 kg.
The Hardkote-anodized, Teflon-impregnated aluminum sheave with a composite plain bearing provides low friction, and the block can be opened to allow the wire or line to be inserted.
Key features
25 mm sheave for wire and line
For wire up to Ø2 mm and line up to Ø4 mm
SWL 454 kg and breaking strength 907 kg
Hardkote-anodized aluminum sheave with Teflon
Can be opened for easy installation of wire or line
