Quantity : 4 pieces Bimini Top Strap Pad. 4 Rail mounting hardware ( no track, no webbing) Material : stainless steel 316, no rust. Size : 5MM (exact height and length, please check picture ), Approximately 2" or 5cm center hole to center hole. Accepts webbing Up To 30MM Usage: for bimini top strap, kayak rigging strap ,etc. Fit most tracks on the market. Quick Release Cleat - Easy to Tighten, Easy to Loosen and Easy to Move.- No more permanent drilling holes on your kayak. Quantity : 4 pieces Bimini Top Strap Pad. 4 Rail mounting hardware ( no track, no webbing) Material : stainless steel 316, no rust. Size : 5MM (exact height and length, please check picture ), Approximately 2" or 5cm center hole to center hole. Accepts webbing Up To 30MM Usage: for bimini top strap, kayak rigging strap ,etc. Fit most tracks on the market. Quick Release Cleat - Easy to Tighten, Easy to Loosen and Easy to Move.- No more permanent drilling holes on your kayak.