Vibration Dampening U-Bolt Vibration-Damping U-Bolt 316 Stainless Steel Finish Plain Thread Size 3/8 In.-16 Thread Length 1 13/64 in Inside Length 2 3/16 in Length (In.) 3 11/16 in Inside Width 2 63/64 in Pipe Size (In.) 2 in Characteristics Cushion Design Provides Total Load Distribution Includes Cushion Two Nylon Lock Nuts U-Bolt