Specialty Products Tandem Shim - 35007 Part #: 35007 Line: SPP Specialty Products Tandem Shim Limited Lifetime Warranty Material: Zinc alloy Quantity: 6 Shape: Round Outside Diameter (in): 1-3/8 Inch Overall Width (mm): 34mm Thickness (mm): 25mm Case Included: No Overall Length (in): 1 Inch Overall Length (mm): 25mm Thickness (in): 1 Inch Adjustment Type: Tandem Truck Insert Inside Diameter (mm): 19mm Show More Show Less