Adjustable hose clamps are high torque, adjustable from 14 12 inch 612mm, ideal as 14 inch pipe clamps, 38 inch tube clamps, 12 inch screw clamps, etc Metal clamps are all premium 304 stainless steel to provide maximum corrosion resistance to salt and most chemicals, the worm drive hose clamps comply with SAE standards, when installing on the pipe, you will no longer worry about them rusting and breaking Pipe clamp for a variety of applications for marine, auto, water pipes, fuel lines, dryers, vent, radiators, etc. to meet your needs in different applications Easy to install, use a screwdriver to tighten or loosen the screw of hose clips then adjust the size, Secures pipe clamp tightly in place You will receive 25 pieces of 12 to 14 inch hose clamps and if for any reason you are not satisfied with your purchase, please contact us for a lifetime refund or exchange