Description
 Ronstan Ball bearing series 40 Orbit block™ with ball bearing.
 · Lightweight, yet strong
 · Toughened, fiberglass-reinforced nylon replaces stainless steel straps used in our traditional blocks
 · Wide range, many options for systems 
Low profile and compact
 · Strong carbon reinforced frog legs on adjustable arm
 The ball bearing version incorporates our 2-stage bearing system that uses ball bearings to minimize friction and a secondary full contact bearing to maintain low friction over the entire working load range.

