Amtovl 130pcs Hose Clamps 7-21mm Stainless Steel Hose Clamps Tuv Certification Compatible With Fixing Flexible Hose Pipes

130pcs 7-21mm 304 Stainless Steel Hose Clamp Corrosion Resistant: High precision 304 stainless steel hose clamp, corrosion resistant, never rust for long time use. INCREASE ClampING STRENGTH: Clamps used to seal different types of pipes, pliers can increase clamping force, designed for repairing pipes and plumbing systems. SMOOTH POLISHED EDGE: Cochlear design ensures continuous clamping during temperature changes or machine vibration, edges are polished and smooth, to prevent hose damage. Perfect kit for the DIY enthusiast or professional looking to get started with a plumbing kit. 360 Continuous Design: There is no protrusion or gap inside, narrow band design provides more concentrated sealing pressure. Perfect for indoor hot water pipes, air conditioning pipes, petrochemical transmission lines and so on. Content: 6-7 mm - 20 pieces. 7-8.7mm - 20 pieces. 8.8 - 10.5mm - 20 pieces. 10.3-12.8 mm - 20 pieces. 12.8 - 15.3mm - 20 pieces. 15.3-18.5 mm - 15 pieces. 17.8 - 21mm - 15 pieces.