XIANQI Material: Made of good quality stainless steel,sturdy and durable ,anti rust and corrosion. Easy to use:Easy to loosen the screw of hose clamp by a screwdriver,then thread the pipe through the hose clamp and adjust the fit size,tighten the screw. Characteristics: Hose clamp kits are flexible and ductile,meet different needs. Easy to Installl and Reusable: The hose clamp designed with a worm gear mechanism to adjust the clamp's diameter to precisely apply sealing pressure.It attaches hoses for fitting hoses in confined spaces to prevent flow leakage.These clamps also can be recycled and reused due to the stainless steel material which makes them worked last for long Widely Used:these hose clamps apply to securing hoses,pipe,cable,tube,fuel lines in home applications,automotive,industrial,marine etc color: as show size: as show Specification: Example:8-12mm (20 PCS), Finger tube clamp Minimum diameter is 8mm,The maximum diameter is 12mm,20pcs for a set.