1: Aluminum Parts 3: M3 10mm 4: M3 20mm 5: M3 22mm 4: M3 Hex Nut 1: M5 16mm 1: 625 Bearing 1: 3/4” Spring 1: 1 1/2” 6-32 screw 1: 6-32 Hex Nut 1: #6 washer 1: Direct Drive gear w/ set screw