Brand autobahn88 Manufacturer Part Number SC-20mm-10pcs Clamp Size ID (Relaxed) 20mm 25/32" Suitable for Hose OD 20 mm to 25 mm (0.78" to 1") Width 12mm / 0.5 inch Materials Metal, SEA-1070 (Sk-5), Heat treatment and hardened. Color Zinc Plated ( Anti-Rusty treatment ) Design Smooth on Inside and Will Not Bite into Hose Application Repair to Automotive Fuel Lines, Vacuum / Air Hoses Item Spring Hose Clamps QTY 10 PCS UPC Does not apply .