TJ Longda 50 Pieces Assortment Case-SS Single Ear Hose Clamps 3/8"-5/8" or 9.5mm-15.7mm (50M) 1. Clamps are made of Stainless Steel Band UNS S30400. 2. Smooth inner circumference for 360 degree uniform seal. 3. High quality case (size: 6.5"X1.13"X3.75") made in US. 4. For Automotive Industry not for Pex Plumbing. 5. ASIN: B00LRSP55Y for 60 pcs assortment case.