- The wrench head is made of high-quality medium-carbon alloy steel.
- The whole is quenched, the surface is blackened, and The surface hardness of spanner is higher than pull studs reaching HRC58-62 to be durable.
- The surface of the wrench rod is chrome plated, and the tail is equipped with a rubber handle, which has a beautiful appearance and a comfortable feel.
- Each batch of products would be sampled for torque testing to ensure the safety.
- The Pull Stud Spanner won't damage the pull studs. Avoid skidding and accidents.