60mm Double Block + Swivel - Roller Bearing

Designed for high load, dynamic applications. 
Machined, black anodised aluminium cheeks and Torlon® roller bearings. 
PA washer insulates stainless from aluminium to prevent corrosion. 
The shackle features a Ø 6 mm body and Ø 8 mm pin, a strong and lightweight combination.
The swivel pin is hollow and chamfered to reduce weight. 
Acetal ball bearing stabilize the sheave when subjected to side loads.