Harken Wire High Strenght Block - 38mm Cheek

Sheave: 38 mm (1 1/2 in)
Weight: 92 g (3.25 oz)
Maximum Wire: 3 mm (1/8 in)
Maximum Line: 5 mm (3/16 in)
Fasteners: 6 RH mm (1/4 RH in)
Maximum Working Load: 680 kg (1500 lb)
Breaking Load: 1361 kg (3000 lb)

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.

Footnote: Fasteners included