Mishimoto T-Bolt Clamps are constructed from rust-proof stainless steel and offer improved durability over traditional worm gear clamps.You can be sure that everything will stay in place because Mishimoto Stainless Steel T-Bolt Clamps are equipped with self-locking nuts. Mishimoto Stainless Steel T-Bolt Clamp, 3.38" - 3.70" (86MM - 94MM) MMCLAMP-35 Universal Fitment