High quality stainless steel hose clamp also known as smooth band clamps, these have a non-perforated band with rolled edges to prevent damage to hose and tube. Band is 3/8" wide and 0.024" thick. Tighten screw with a slotted screwdriver, Phillips screwdriver, or 9/32" (7 mm) hex nut-driver. 50-70mm.
