Pro Tie heavy duty worm drive hose clamps are precision made from stainless steel to provide dependable and long lasting use. The 9/16-inch wide band provides a larger clamping surface for higher pressure applications and works with a variety of hose materials. The Slotted Hex head bolt allows for multiple tools to tighten the Clamp. All stainless steel construction provides superior corrosion resistance. Pro Tie hose clamps will work on a variety of applications from home use, auto repair, marine, plumbing, farm, ranch, and industrial.