Heavy Duty Premium 304 Stainless Steel T-Bolt Hose Clamps. These premium, heavy duty T-Bolt Hose Clamps have been designed tough and made from the highest quality materials. We use the finest premium quality 304 stainless steel that is super strong and rust resistant. Clamps work great for many applications (for either industrial or home use) such as commercial, automotive, air intake systems, duct systems and coolant systems. Product is backed by a no-hassle One Year Guarantee against defects. Set includes: FOUR Stainless 304 Premium Steel Hose Clamps. 2 each Multi-Size Assortment 4"--5". Clamp Diameter (inner diameter): 4"(102mm-110mm) - 5"(127mm-135mm). Band Width: 19mm (3/4"). Thickness: 0.8mm material thickness. Strong, rust and weather resistant premium 304 stainless steel. Durable and tough, ready to handle tough environments and heavy duty applications. One Year Guarantee against workmanship and defects.