driving: The stainless steel gear fasteners are designed and made of quality screws for driving when using a screwdriver, no hard pressure to apply. Durable material: the hose clamp fasteners are made of quality style 304 stainless steel, rust-proof, water-proof, corrosion-resistant, strong, durable and long lasting use, which can be applied in outdoor and areas Application: you just need to loosen or tighten the screw of the hose clip by a screwdriver to adjust the size, attach the hose to the fitting tightly, and it can be applied to hoses, pipes, cable, tubes, etc. color:Silver Material:Stainless steel size:15.24 x 12.70 x 1.27 cm Package Contents: 18 x Stainless steel throat hoop Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.