Product Type: High precision single ear stepless hose clamps Feature1: 360 stepless design - there is no protrusion and gap in the inner ring Feature2: Narrowband design providing a more concentrated sealing pressure Feature3: Edge Polished smooth, avoid damage to the hose Feature4: Cochlear design ensures continuous clamping during temperature changes or machine vibrations Package: 120pcs High quality Single Ear stepless Hose Clamps in a clear box, Very easy to install and store Application: Perfect for Indoor hot water pipes, air conditioning pipes, petrochemical transport pipeline and so on Package included: 6-7mm -------------------- 20pcs 7-8.7mm ------------------ 20pcs 8.8-10.5mm -------------- 20pcs 10.3-12.8 ----------------- 15pcs 12.8-15.3 ----------------- 15pcs 15.3-18.5 ----------------- 15pcs 17.8-21 -------------------- 15pcs