Product 1: The Bits is made of premium S2 alloy steel for superior hardness and insure longevity.
Product 1: The sockets is made from drop forged and heat treated advanced chrome vanadium steel for durability and serviceability with mirror chrome plated, And the E-Torx Sockets with manganese phosphate coating.
Product 1: 107PCS bit socket set includs: 1/4", 3/8" and 1/2"drive Torx / extra long Torx / tamper proof Torx/hex / ball end hex SAE & metric bit set.
Product 2:The laser mark on the impact socket and the specification mark on the tool box make it easy to quickly,6 Point Hex Socket Design prevents round off deterioration during high torque use.
Product 2: Swivel socket are specifically designed to allow a user to access bolts in tight spaces or at awkward angles to be used with an impact wrench or an impact driver.