MINI CLAMPS are tiny, tough, precision engineered miniature clamps for tenacious connections on small diameter hose and tubing. Made of extra high nickel alloy stainless steel (300 series). Seals only with 10 pounds of tightenign torque. slotted, 1/4" hex-head screw. Slim line construction for easy installation in confinned areas. Engineered to withstand high pressure and marine environmental conditions. Comes 10 to the box. MIN. Diam": 1/4 MAX Diam" : 5/8