a. This material is  Q235 steel or 20 steel. 
b. Two forged eye is made of carbon steel with heat treatment, it can reach 8.8 grade strength thread ends.45 steel.
c. Ratchet wrench with high quality and durability, to operate easliy and two shift direction.

 

This type of ratchet turnbuckle also can be used in compactor field: screw compactor, stationary compactor, static compactors.