Megapro 9BP-TP-3A Replacement Bit Set, 2-1/4 In. L, PK3, Nickel;

Kit includes 6-8, 10-12 spanner bit and 10-15 torx star bit. Replacement bits are made from professional quality S2 steel for the right combination of strength and durability. The electro less Nickel plated 'ENP' bits provide outstanding protection from rust and corrosion. The Replacement Bit Packs STD6-8, STD10-12, TDT10-15 are for the Tamperproof driver. They are steel bits and measure 1/4-Inch by 2-Inch. They store easily in the patented pullout bit cartridge in the screwdriver. Both ends lock into all drills with a 1/4-Inch quick change chuck.