Harken 38mm (1.5in) Wire Block

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. High-load composite bearings carry axial loads. Hard Lube-anodized with PTFE impregnation sheave for strength and corrosion resistance. Harken 38mm block features sideload balls between the sheave and the sideplate to minimize friction from unfair leads.

Part number: 304

Imperial Metric
Sheave Dia. 1 1/2" 38 mm
Weight 2.75 oz 78 gr
Max Wire Dia. 1/8" 3 mm
Max Line Dia. 3/16" 5 mm
Shackle Pin Dia. 1/4" 6 mm
Maximum Working Load 1500 lbs 680 kg
Breaking Load 3000 lbs 1361 kg