●HEAVY DUTY STEEL STRAPPING TOOL SET: for steel straps width: 32mm/1.25 inch; thickness: 0.032-0.047 inch. ●STRAPPING TENSIONER is suitable for 3/4, 1, 1 1/4 inch steel straps, if you also use 3/4, 1 inch strap, you can buy a bonding machine of the corresponding size to go with. ●STRONG ALLOY BONDING: For 1 1/4 inch steel straps only, high hardness, wear resistance, and greatly improve work efficiency, also have 3/4, 1 inch size. ●PNEUMATIC COMPONETS needs to be connected to the air pump with a 0.4 to 0.6Mpa compressed air source.Insufficient air pressure will affect strapping effect. ●SAVES TIME AND EFFORT: This strapping tool does not require an external power source. Simplifies and accelerates operators work, applies tension with little effort. Perfect for banding individual goods into a single cargo unit, strapping pallets, etc.