Contains all the tools necessary for adjustment and maintenance repair work. Stainless steel finish prevents the formation of extraneous rust. Set contains stainless steel bit which is ideal for setting screws attached to the bridge. Also contains L-keys with hex-plus profile which prevents the rounding-out of hexagon socket screws, ¼" Kraftform bit-holding handle and a selection of 89mm bits covering a range of profiles including PH, hex-plus and slotted. Handle can also be used with the included universal ¼" string crank and Zyklop sockets (with ¼" hex to ¼" square socket adaptor). Includes input jacker which allows output socket to be safely positioned during installation and removal, Knipex string cutter, feeler gauge and 2 picks. Supplied with metal case. 2go System 2go System