Draper TX STAR� Bit Set, 1/2" Sq. Dr. (8 Piece)

Amazon

TX-star bits manufactured from silicon steel 1/2 Inch square drive bit holder made from chrome vanadium steel Hardened and tempered with shot blast finish TX-star bits manufactured from silicon steel 1/2 Inch square drive bit holder made from chrome vanadium steel Hardened and tempered with shot blast finish, Weight: 0.40565056208 Pounds, Manufacturer: Draper

Electrical World

Expert Quality, Draper TX - STAR® 10mm bits manufactured from silicon steel hardened and tempered with shot blast finish. 1/2" square drive bit holder made from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. Display packed.