20x Premium 304 Stainless Steel T-Bolt Turbo Silicone Hose Clamp 1.75" 45-50mm Clamp Diameter (inner diameter): 45mm - 50mm (1.77"-1.97") 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