10 Pack Breeze 3712 Miniature Clamps with 300 Stainless Screw Effective Diameter Range: 11/16" - 1-1/4" (17mm - 32mm) 1/4" (6.4mm) 300 Stainless Steel Slotted Hex Screw 5/16" (8mm) Stainless Steel Band Designed specifically for small diameter applications Lightweight, Streamlined configuuration Higher sealing pressure with minimal torque