Master 291 Padlock Rekeying & Service Kit. Kit includes 0 thru 7 bottom pins, 1 thru 7 master pins, 2 different size spool top pins, standard top pins and pin springs. Kit includes the following service parts: cylinder plug clips, cylinder plug extensions, 2 different type cylinder retainer plates, 3 different cylinder retainer plate screws, keying ball bearings and set screws. Also includes 2 key gauges, 2 followers and 3 allen wrenches. Rekeying instructions are printed on inside padded lid cover. Kit is enclosed in a polyethylene box measuring 13 1/2" x 9 1/2" x 2".