1. Easy to operate and carry. 2. For sealing hoses against loss of liquid, air or gases. 3. Material: stainless steel 4. Clamp assortment kit are flexible and ductile with wide adjustable size range from 5.8 to 21mm. Fit Hose Diameter: 5.8-7.0mm, 7.0-8.7mm, 8.8-10.5mm, 9.4-11.9mm, 12.8-15.3mm, 15.3-18.5mm, 17.8-21.0mm 5. Wild usage: Clamps are used in securing hoses, pipe, cable, tube, fuel lines etc. Perfect to apply in automotive, industrial, boat/marine, shield, household etc. both indoor or outdoor. 6. Packaged: 10 x 5.8-7.0mm Single Ear Clamp 10 x 7.0-8.7mm Single Ear Clamp 10 x 8.8-10.5mm Single Ear Clamp 10 x 9.4-11.9mm Single Ear Clamp 10 x 12.8-15.3mm Single Ear Clamp 10 x 15.3-18.5mm Single Ear Clamp 10 x 17.8-21.0mm Single Ear Clamp