Use them in your favorite power drill or hand driver and gain access to security type fastened screws.

• 9 Torx head security bits sizes: T8, T10, T15, T20, T25, T27, T30, T35 and T40
• 3 Torq head security bits sizes: 6, 8 and 10 mm
• 6 Hex head security bits sizes: 5/64", 3/32", 7/64", 1/8", 9/64" and 5/32"
• 6 Hex head security bits sizes: 2, 2.5, 3, 4, 5, 6 mm
• 4 Spanner head security bits sizes: 4, 6, 8 and 10 mm
• 4 Tri-Wing head security bits sizes: 1, 2, 3 and 4 mm
• 1 Hex head extension