Open sided frame for ease of use 38MM & 50MM DIAMETER || Pully diameters of 38 and 50 mm; HOLDS 30LBS || Pulley can hold over thirty pounds of weight; LOW FRICTION || Features a low friction... One (1) high quality, double plastic pulley in tandem, on an open sided steel frame, with hooks at each end carrying two low friction, ball bearing plastic pulleys with diameters of 38 and 50 mm respectively. Double Parallel Pulley, Plastic - Geyer Instructional Products 38mm 50mm Eisco Labs Plastic Pulley, Double-Parallel, 50mm Diameter Double Pulley Pulley diameters of 38 and 50 mm , Low friction design Double plastic pulley, in tandem · Pully diameters of 38 and 50 mm · Low friction design · Open sided frame for ease of use Capable of holding over 30 lbs., of weight. The open sided frame greatly facilitates stringing up as no 'threading' is involved.
