Teknika MUL-20 Heavy Duty Sealless Combination Tool for High Tensile Steel Strapping, Adjustable for 3/4" and  5/8" Strap Width Strap width: preset for 3/4" (19 mm), adjustable for 5/8" (16 mm) Strap gauge: from 0.015 to 0.025 inches Regular Duty/High Tensile No seal required due to AAR aproved tripple notch joint Easy to operate on vertical or horizontal surfaces Lifetime availability of parts and service