Wichard Single 1 49/64" (45mm) Block w/ Swivel Head & Becket Crew Wear Trousers Main fabric: 100% Polyester -

Main fabric: 100% Polyester - 265 g/m²

Knee length zippered length protected by a double storm guard

Wichard Single 2 49/64" (70mm) Block w/ Swivel Head w/ Clevis

Main fabric: 100% Polypropylene 230 g/m²

Gill Zenlite Trousers

Wichard Single 1 49/64" (45mm) Block w/ Swivel Head & Becket Crew Wear Trousers Main fabric: 100% Polyester -Product Description Wichard Single 1 49 64" (45mm) Block w Swivel Head & Becket Features Weight 4 oz. (114 g) Sheave Diameter 1 49 64" (45mm) Shackle Diameter 13 64" (5mm) Length 4 39 64" (117mm) Width 1 15 16" (49mm) Thickness 1 1 64" (26mm) Working Load 882 Lbs (400 kg) Breaking Load 1980 Lbs (900 kg) Rope Size 13 32" (10mm) Forged Shackle 13 64" (5mm) Applications Mainsheet systems Halyard applications Boom Vangs Downhaul Mast head block Material