High Quality Hose Clamps：VELNUT hose clamps made of high quality 304 stainless steel, corrosion resistant and durable. Indoor and outdoor can be used. Waterproof, oilproof, saltproof. Multi-size and Size Adjustable：This set of stainless steel hose clamps is adjustable from 1/4 inch to 2-1/4 inch (6-57 mm), suitable for various pipe sizes (min 1/4'', 3/8'', 1/2'', 3/4'', 5/8'', 7/8'', 1'', 1.25'', 1.5'', 1.75'', max 2.25''). It is available in 5 different sizes: 6-12mm/13-19mm/16-25mm/21-38mm/33-57mm, which can be adapted to different usage scenarios and needs. Versatile：Hose clamps can be used to secure hoses, pipes, cables, hoses, fuel lines in kitchens, bathrooms, gardens, garages, automobiles, factories, ships and other indoor and outdoor applications. Easy to Use：just use a screwdriver to twist the Worm Gear of the hose clamps to fix or remove the hose. Note: Please select the appropriate size of hose clamp according to the hose diameter before use. Packaging：Stainless steel hose clamps kits are available in 5 sizes (6-12mm/13-19mm/16-25mm/21-38mm/33-57mm), 5 of each size for a total of 25 hose clamps. Stainless Steel Hose Clamps Assortment Kit, 25 Pieces Worm Gear Hose Clamp Adjustable 1/4 to 2-1/4in(6-57mm), Fuel Line Clamp for Plumbing, Automotive And Mechanical Applications