TJ Longda 60 pieces Assortment Case-SS Single Ear Hose Clamps 1/4"-5/8" or 7mm-15.7mm 1. Clamps are made of Stainless Steel Band UNS S30400. 2. Smooth inner circumference for 360 degree uniform seal 3. High quality case (6.5"X1.13"X3.75") made in US 4. For Automotive Industry not for Pex plumbing. 5. Also check ASIN: B01650Z8MS for 60 pcs large size clamps from 7/8" to 1-1/8"