The Beseler Refurbishing Kit for 45M Series comes with necessary accessories that are needed to renovate a Beseler 45M Series Enlarger.The Beseler Refurbishing Kit has screws such as alignment screw, 4 x 4 x 40 x 1/4 fillister screws, 8 x 32 x 1/2 Phillips screws, and 2 x shoulder screws and springs like 2 x lensboard springs and 2 x extension springsThe kit also features various enlarger accessories such as Filter Assembly Complete, 4 x slide bearings, arrow and indicator, light seal gasket, 4 x 4 x 40 hex nuts, 1/4 x 20 hex nut, motor v-belt, knob (female insert), knob (round), and toggle switch