Set containing 20 bits, regular and long, for internal hex holes. Also includes 2 adaptors and a 2mm hex mini screwdriver for tightening the retaining grub screw in the adaptors. The set is supplied in a unique Teng Tools TC tray and can be used either on it's own or as part of the Teng Tools TC control system. The tray features a removable hinged click lock lid and dove tail joints which enable different TC trays to be locked together and used as trays in Teng Tools tool boxes and roller cabinets. All of the tools in the set have their own individual place so lost tools can easily be identified. (265x142x50mm, 1.1 kilos).