Material: Made from stainless steel. Suitable for applications where moisture is present, such as homebrew setups and plumbing. Design: Butterfly-style screw head allows for tightening by hand. No tools are required for installation or adjustment. Size: Adjustable design fits a range of hose and pipe diameters. Measure your tube or hose outside diameter before ordering. Application: Used for homebrewing equipment, beer lines, water hoses, plumbing connections, and general tubing installations. Package Contents: Comes with 10 clamps. Includes the number of clamps as specified in the listing. No additional parts are needed., Manufacturer: xhy0213