The KINCROME 3-In-1 23 Piece Speed Flex Driver Set is ideal for a broad range of applications. Featuring a Speed Flex handle with quick release for fast interchange of bits, the set comprises TORX® Metric & Imperial Hex and Phillips Bits all housed within a 1/4” Square Drive Socket.The socket part of the bit is manufactured from Chrome Vanadium Steel (Cr-V) while the bits are manufactured from S2 steel. Each bit is colour coded for easy identification. The 23 Piece Speed Flex Driver Set is housed securely within a EVA Tray and protected by a Metallic Blue Tin.