16pcs 3.5" Stainless Steel T Bolt Clamp Turbo Intake 3-1/2" Silicone Hose ClampDescription ITEM DESCRIPTION: 1. T Bolt clamps provide uniform sealing pressure for a positive, reliable seal which are frequently installed on coolant and air intake systems for construction, truck, and bus engines. Through the use of bolts and studs design, T Clamps can be implemented a much more tighter and durable hold for silicon couplers, rather than the normal screw design clamps. 2. 100% Brand New 3. Clamp Range: 95 mm 103 mm or 3. 74" 4. 06"