Material: Made of good quality stainless steel, sturdy and durable, anti-rust and corrosion. 6 Pack Metal Hose Clamps - Diameter 100mm (Adjustable from 91mm to 114mm) The hose clamp kits are flexible and ductile, meet different needs. Easy to use: Loosen the screw with a screwdriver, adjust the suitable size, and then tighten the screw Suitable for your dryer duct, bathroom or kitchen How to use: - Use a screwdriver to loosen the screw of the hose clamps. - Thread the hose through the hose clamp and adjust the size to fit your hose size. - Tighten finally the screw. Features: Material: stainless steel. Diameter: 91-114mm. Color: silver. Package: 6pcs 91-114mm Note: - These are small items, please keep them away from your children.