TJ Longda 50 Pieces Stainless Steel Single Ear Hose Clamps Size 1" or 25.6mm (NOT Pex Clamps) 1. Clamps are made of Stainless Steel Band UNS S30400. 2. Smooth inner circumference for 360 degree uniform seal. 3. Clamps are with precise tongue-in-groove seamless design. 4. To use in the industries like automotive, food and beverage and so forth. 5. Not Pex Clamps and do not apply to 1" Pex pipe.