ARTM is one intellectualized Automatic Rebar Tying tools which is widely used in building construction industry. It can greatly save work force and time, and increase work efficiency by 4-5 times than manual work in tying rebars. 1. Two models: RT235 and RT3952. Two battery option: Ni-MH battery 3. Spool wire diameter: 0.8mm (18gauge ) 4. Spool length for each roll: 100 meters 5. Maximum tying rebar: 40mm6. Net weight: 2.5kg 7. Package size: 362x340x124mm