Model Number: 30-40 SBPUP Key Specifications/Special Features: Materials:Bright zinc-plated yoke with total lock brakePP hub and polyurethane treadSizes: 4 x 1-1/2 inchesApplications: platform trucks, food and service equipment and large stock cartsPatent status: nil

York type: rigid and swivel

Other sizes: 5 x 1-1/2, 6 x 1-1/2, 8 x 1-1/2, 8 x 1-3/4 inches

Materials: rubber/steel, polyurethane/plastic, phenolic and semi steel