1. Includes Nine Security Torx Bits (T8, T10, T15, T20, T25, T27, T30, T35, T40), Six SAE Security Hex Bits (5/64", 3/32", 7/64", 1/8", 9/64", 5/32"), Six Metric Security Hex Bits (2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm), Four Spanner Bits (4mm, 6mm, 8mm, 10mm), Three Torq Bits (6mm, 8mm, 10mm) and four Tri-Wing Bits (#1, #2, #3, #4). 2. Our security bit screwdriver set delivers complete versatility with every bit you'd need. This 33pc security screwdriver bit set ensures you're ready for any job, whatever the requirement. 3. Uniquely designed as a tamper proof screwdriver set, this kit equips you with the power to tackle any task. Complete with a magnetic bit extension, our tamper proof bit set simplifies any task, even in challenging locations. 4. A blend of utility and precision, our kit not only serves as a security allen wrench set, but also incorporates security hex bit set features. Furthermore, the spanner screwdriver set ensures a perfect fit, thanks to our CNC machined bits.