From the product description, check product page for current description, price and availability:

• 【Sizes】— Adjustable size range from 6 to 21mm, Fit Hose Diameter: 6-7mm, 7-8.7mm, 8.8-10.5mm, 10.3-12.8mm, 12.8-15.3mm, 15.3-18.5mm, 17.8-21mm, different sizes can meet your different meets
• 【Material】— High Quality 304 Stainless Steel, the 304 stainless steel material features strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using.
• 【Design】— 360 ° Stepless Design – There Is No Protrusion and Gap In The Inner, Narrowband Design Providing A More Concentrated Sealing Pressure. Cochlear Design Ensures Continuous Clamping During Temperature Changes or Machine Vibrations, Edge Polished Smooth, Avoid Damage to the Hose
• 【Package Included】— 90 PCS 6-21mm 304 Stainless Steel Single Ear Stepless Hose Clamps, enough quantity for your use, the plastic box is durable in any way, all the parts are in their individual compartments to prevent mixing during the shipping process
• 【Widely Applications】— DYWISHKEY 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 and outdoor.

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