This exhaust hose clamp is designed to fit series 200, 201, 210, 250, and 252, and are perfect for any application below the water line. The band is 316 stainless steel and is .025 thick by .75 wide. Other hardware includes an extra long 1/4" bolt and a nylon inset lock nut. Maximum torque of 75 inch pounds. Sierra Part #118-720-4180.