Compare  with KUEKEN ,KG-600GL all the part size is the same as it , but hit part use life is 2-4 times more than it .the torque and output power more stronger than it .the sheel and front cast have after heat treatment , more sturdy and wear-resistant . compare with other wrench what made in china , it's more suit for low pressure  . just 6 kg/cm2 will work stable .   8 kg/cm2 can  output 4200NM torque, this is most of that wrench  can't get .If you test it ,you will believe this is the most competitive and high performance wrench in China ! 

     We offer the best sale-after serivce .if any quality wrong after you use in 30 days , let me know , we will change new one for you ! if any part broken in 1 year not by man-made, we will free offer you to change .  some easy-broken part  will send to you with the goods .This all serivce most of trade company and small manufacture are can't supply !

1" Heavy Duty Industrial Air Torque Wrench top quality 

Pinless structure , power strong , supply to ship building , truck repair ,and other mechery  industry.