ROLLER, CONCAVE(1-3/16OD, ZP) close Quantity in Basket: None Code: HWD-01031 Price: $5.40 Shipping Weight: 0.07 pounds Quantity: Roller 5/16 (.8cm) wheel width 1-3/16 (3cm) OD 3/4 (1.9cm) overall depth 1/4-20 threaded stud Zinc plated steel