The Platinum Tools 30 Piece Security Bit Set contains all the popular sizes of security and tamper-proof bits for installs of all types. All bits compatible with the Platinum Tools Stubby 8-in-1 Screwdriver([part]19120C[/part]). Never be caught without the correct bit for the job. Set Includes: – Security Torx: T8, T9, T10, T15, T20, T25, T30, & T40 – Security Hex (Fraction): 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 3/16″ – Security Hex (Metrics): 2mm, 2.5mm, 3mm, 4mm, 5mm – Spanner: 4, 6, 8, 10 – Tri-Wing: 1, 2, 3, 4 – Torq-Set: 6, 8, 10 – Adapter for use in drills and 1/4″ drive accessories