The ISPINNER 4Pcs 4 Inch Key Hose Clamp is a set of adjustable thumb screw hose clamps, perfect for securing hoses and pipes with a bandwidth of 12mm. Made of stainless steel, these green clamps feature a unique adjustable style for a secure fit. With a size of 3 inches and weighing only 0.1 kilograms each, these XM brand clamps come in a package of 4, making them ideal for various industrial and commercial applications. Easy to install and requiring no batteries, these clamps provide a reliable and efficient solution for your fastening needs.