Schaefer's 1-1/2" Traveler Systems feature stainless steel ball bearing in "captive" wheels that distribute loads to a rolling surface for minimal frictional resistance. Offered in a variety of track lengths, cars, control blocks and adapters; Schaefer offers you the flexibility to match your needs.
Double Control Block with Cam Cleat. Fits 1 1/2" Schaefer Traveler Track. Features New Fast Entry Cam Cleat, Delrin(tm) Ball Bearing Sheaves, becket.
72-83, 72-78 for 3:1.
72-92 for 4:1.
Part Number: 74-83