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. 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: 7.0-8.7MM Single Ear Clamp x 15 PCS 8.8-10.5MM Single Ear Clamp x 15 PCS 5.8-7.0MM Single Ear Clamp x 10 PCS 10.8-13.3MM Single Ear Clamp x 10 PCS 12.8-15.3MM Single Ear Clamp x 10 PCS 15.3-18.5MM Single Ear Clamp x 10 PCS 17.8-21MM Single Ear Clamp x 10 PCS Ear Clamp Pincer x 1 PCS