Features: It makes clamping fuel, vacuum, brake, heater pipeline, etc. very fast and convenient. Unlike spring clips, these springs cannot be bounced or dropped by thumbscrews.U-bolt type design Set covers many pipe sizes. Suitable for fuel lines, vacuum lines, transmission lines, brake lines, heater lines and so on. Clamp 1 up to 3/8 inch (10mm), Clamp 2 up to 1/2 inch (15mm), Clamp 3 up to 1 inch (25mm), Clamp 4 up to 1-3/4 inch (45mm). 4pcs Tube Bundle Clamp Set / U-shaped Tube Sealing Pliers Sizes: 3/8 in, 1/2 in, 1 in, 1-3/4 in. U-bolt type design Set covers many pipe sizes. Suitable for fuel lines, vacuum lines, transmission lines, brake lines, heater lines and so on. These convenient line clamps are essential for mechanics and car specialists to pinch off fuel, vacuum, transmission, brake line, heater lines and other fluid lines safely and easily. Each line clamp is specially designed to stop flow without damaging or compromising the hose, making them a great set of clamps for any professional or home garage! Specially designed to stop flow without damaging the hose. The container may have dents or cracks during transportation,but does not affect the use of tools, please understand. Material: Metal colour: Silver Package Contents: 4 x Fluid Line Clamp Fuel Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.