Item Description T-Clamp *4 Material: Stainless Steel Zinc-Coated Stud Band Width: 19mm | 0.75" Band Thickness:0.6mm Clamp Range:44 mm - 51 mm or 1.73" - 2.01" Fit for hose ID:1 1/2" or 38 mm Size Chosen Of T-Clamp Calculate the hose Outside Diameter. For example,if your hose Inner Diameter is 57mm, add the thickness such as 5mm, then the hose Outside Diameter is 57+5*2=67mm. So you need to choose this clamp: clamp range from 63mm to 71mm. The value of your hose Outside Diameter should be larger than the first value of the clamp range, less than the second. .
