☛1. Product type: high precision hose clamp set. ☛2. Product material: zinc plated steel, strong and durable clamps. ☛3. Package content: 10 sizes of 60 pieces in total in a transparent box, the most commonly used size, easy to store. ☛4. Features: with hexagonal screws, you can use a screwdriver to adjust the size as needed, easy to install. ☛5. Smooth polished edge, prevent damage to the pipe, excellent for sealing pipes against liquid loss.