The Alpha 33 Piece Insert Bit Set | Security provides six specialist security-profile groups across metric and imperial sizes. Its 32 chrome-plated S2 steel insert bits comprise Torq-Set, Spanner, Tri-Wing, metric Hex Security, imperial Hex Security and Torx Security profiles. A 1/4? professional magnetic bit holder with spring-loaded quick release completes the 33-piece set. Colour-coded rings make the drive types easier to identify, and the assortment is packed in a soft plastic case. This Security variant is differentiated by its Torq-Set, Spanner and Tri-Wing bits, supported by six metric Hex Security, six imperial Hex Security and nine Torx Security sizes.

• Security 32-bit assortment: Combines Torq-Set, Spanner, Tri-Wing, Hex Security and Torx Security profiles
• Torq-Set selection: Includes #6, #8 and #10
• Spanner and Tri-Wing profiles: Provides four sizes of each specialist bit type
• Metric Hex Security bits: Includes six sizes from 2-6mm
• Imperial Hex Security bits: Includes 5/64?, 3/32?, 7/64?, 1/8?, 9/64? and 5/32?
• Nine Torx Security bits: Covers T8, T10, T15, T20, T25, T27, T30, T35 and T40
• 1/4? professional magnetic bit holder: Uses a spring-loaded quick release for bit changes
• Soft plastic case: Keeps the 33-piece set together