50 pcs bag Stainless Steel Ear Hose Clamps size 3/8" or 9.5mm 1. Made of Stainless Steel Band UNS S30400. 2. To use in the industries like automotive, food and beverage, and so forth. 3. Precise tongue-in-groove stepless design. 4. Smooth inner circumference for 360 degree uniform seal. 5. Not Pex Clamps and Do not apply to 3/8" Pex Pipe.