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.Stainless steel construction resists corrosionLocking nut keeps clamp from looseningMore durable than traditional worm clampsPolished finish increases engine bay aestheticsMishimoto Lifetime Warranty