About: CMI - Trolley
3/8 - 1/2 inch & 1/2 - 5/8 inch Trolleys
Stainless steel sideplates, two 2-inch steel sheaves, ball bearings, stainless steel axles.
5/8 - 7/8 inch Trolley
Dual hardened 2.75-inch stainless steel sheaves, ball bearings, stainless steel sideplates, stainless steel axles.
!WARNING: Riders weight must be supported by a lanyard and supporting harness.