Sierra 18-720-2000 Exhaust Hose T-Bolt Band ClampThe Sierra 18-720-2000 Exhaust Hose T-Bolt Band Clamp is designed to fit Shields series 200, 250, and any application below the water line. Constructed from 316 Stainless Steel and is .25" thick x .75" Wide. Comes with an extra long 1/4" bolt and a nylon inset locknut. The nut, bolt, and trunion are made of 18-8 (304) stainless steel. Max torque of 75 inch pounds.Additional Details: Diameter Size: 2.27-2.67"; I.D.: 2";