It obtain the high hardness and high torque to be more durable after the overall quenching.
The head of screwdriver is more proper for the screw & obtain the maximal torsion after the precisely process.
The material of shaft: chrome vanadium Nickel steel.
Asmaco 2540 is a one part moisture curing silicone suitable for general construction sealing applications and is highly resistant to moisture. It has excellent resistance to ageing, shrinkage, cracking and discolouring. Anti fungal properties make this product suitable for sanitary applications.
A superior alkyd based enamel topcoat providing a durable high gloss finish.
Ideal for use on exterior and interior wooden and steel surfaces. Also recommended on interior cement plaster and concrete, wooden surfaces.