The Mayhew Tools 11-pc Torx Titanium Coated, Low Profile, Dual Drive Set, No. 16003, provides superior strength and wear resistance, along with a low-profile design that allows for easy access into hard-to-reach areas. Individually marked bits are easily identified and secured in a convenient, colored-coded storage rail. The precision tip profile is manufactured for positive and precise fastener engagement. The bit set can be used with any 1/4” square drive socket spinner handle, ratchet, or T-handle; any 7/16” or 10-13mm box, open end, or ratchet wrench; or any ratchet and socket combination.