Schaefer Utility Block/Mast Collar Delrin Single Sheave(45mm) 5 Series Utility block with

5 Series Utility block with Delrin(tm) sheave

the force of the line will pull free from the clip

A - 1 1/16" (27mm)

Pin diameter: 3/16" (5mm)

Schaefer Utility Block/Mast Collar Delrin Single Sheave(45mm) 5 Series Utility block withProduct Description Schaefer Utility Block Mast Collar Delrin 705 20 fits Isomat mast collar with a pin diameter of . 510". Stainless steel cheeks and Delrin(tm) sheave ensure smooth operation and high safe working load. Specifications: Sheave Dia.: 2 3 8 in. (60 mm) Thickness: 1 in. (25 mm) Pin Dia: . 510 hole Length: 3 23 32 in. (94 mm) Width: 2 1 2 in. (64 mm) SWL: 2250 lbs. (1020 kg) Weight: 1 lbs. 3 oz. (539 g) Max Line: 1 2 in. (13 mm)