High quality, 29 pieces in. hexagon drive tamperproof security bit driver set, supplied complete in a robust plastic storage box. The Set contains a selection of the most popular drive bits suitable for use on tamper proof fasteners such as Security Hexagon Head, Tamperproof TORX®, Security TRI-WING, Security Spanner and Security TORQ-Set. Complete with magnetic bit screwdriver handle, a in hex to in square bit adapter and a in socket adapter.