Multipurpose Double End Spanner Self-tightening Screw Nut Wrenches Steel Spanner

Description Universal double ended wrench double-headed self-tightening wrench universal spanner 8-22mm key set screw nuts wrenches repair double headed wrench for home work maintenanc. Applicable to mechanical engineering machine repair auto repair and other related maintenance industries. Features - Material: Chromes vanadium steel. - The wrench is made of high-quality chrome-vanadium steel forged steel with high hardness and super durability. - It could stand usage and work of much more years. It won’t be easy to get rust and stained. - This firm wrench could ensure its great performance for long time. - With overall heat treatment and polishing plating treatment this surface-spraying wrench is quite anti-corrosion and anti-rust. - You could freely use it at any possible working and repairing occasion.