specifications:

1.Material:40CR

2.Max output:3800N.M

3.Packing:BMC

4.Gear ratio: 1:56

5.Disassemble Time:five minutes 

6.Box's color: Grey,Black,Blue,etc  

7.Type:hand tool

Features:

1.one set wrench includes two sockets,the size of 21" 22"24"27"30"32"33"34"35"36"38" and 41"are available.

2.Adopts high effciency planetary shifting as main drive

3.Small dimension,lightness,durability and large gear ration,large out-put torque

4.Made of high grade alloy steel in the processs of fine heat treatment

5.Widely used to assemble and disassemble the types of various heavy truck

6.It is a necessity for repairment or drivers