Ronstan’s 20mm single bullet block with swivel shackle head is lightweight and has low friction and a high static and dynamic load capacity. Precision molded Acetal sheaves running on stainless steel ball bearings provide high performance and low friction.
Materials include stainless steel ball bearings, UV-stabilized Acetal sheave, grade 316 stainless steel load strap and head fitting, and impact and UV -resistant, fiber-reinforced nylon cheeks.
- Sheave diameter 3/4"
- Maximum rope diameter 1/4"
- Pin diameter 1/8"
- Maximum working load 550 lb.
- Breaking load 1210 lb.
- Weight .7 oz.
Use for dinghy control lines, dinghy vangs, Cunninghams and traveler controls.