fasteners of both key plates a 9 and b 10 to the middle plate 5 topside and underside on the topside of middle plate 5 there is one battery housing 22 the battery housing 22 is not an opening the battery sets into the molded u201c saddle u201d containing the contact wiring grooves 23 to the bulbs the light bulb power wiring is seated in a contact groove 23 to each bulb the middle plate 5 also includes one opening 24 for flashlight wiring contact to pass through to the cover plate b 4 there are eight 8 identical key release buttons 6 with guide and release pin 6 c internal coiled and tensioned springs 6 d anchored 6 e within the release button assembly fig1 illustrates the underside of the middle plate 5 the lighting battery saddle 22 wiring grooves 23 and bulb saddles 19 are not on the underside of the middle plate 5 rather they are only found on the top side of the middle plate 5 fig1 23 depict the top underside angled perspective and see through plan views of cover plate b 4 there are two 2 attachment hex screw openings 11 c to remove and fasten the cover plate b 4 so as to access keys 3 placed on key plate b 10 there is one flashlight on and off button contact switch opening 7 c there are four 4 spring key release button openings of for keys on key plate b 10 cover plate b 4 also includes four 4 guide u00bd circle curve grooves 13 b for key release guide pin 6 c there is one 1 small.