Mishimoto MMCLAMP-4 Stainless Steel T-Bolt Clamp, 4", Silver Stainless steel construction resists corrosion Locking nut keeps clamp from loosening More durable than traditional worm clamps Polished finish increases engine bay aesthetics Mishimoto Lifetime Warranty Constructed from rust-proof stainless steel Offers improved durability over traditional worm gear clamps Equipped with self-locking nuts so everything will stay in place