Schaefer Flat Base Delrin Single Cheek Block Bags & Backpacks it is designed to keep

it is designed to keep you warm and protected on the job

Stainless Steel cheeks and stainless steel slider ensure reliability

Excellent strength to weight ratio

Never connnect any Maillon Rapide quick links onto a lifting chain

J Lock Type: J12

Schaefer Flat Base Delrin Single Cheek Block Bags & Backpacks it is designed to keepProduct Description Schaefer Flat Base Delrin Single Cheek Block 7 Series Cheek Block with anodized Aluminum cheek and ball bearing sheave. Delrin(tm) ball bearing sheave provides low friction and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications: Sheave Dia.: 2 3 8 in. (60 mm) Length: 4 3 8 in. (111 mm) Width: 2 3 4 in. (70 mm) Height: 1 in. (25 mm) Fasteners: (4) 1 4 in. RH (6 mm) C C: 3 5 8 in.