Gear & Pinion Set, Required For Hi-Koki Make Pda 125Ma/G 5" Grinding Machine. Part No-938287Z. Make-Hi ,Armature, Required For Hi-Koki Make Pda 125M A/G 5"Grinding Machine. Part No-938284C. Make-Hi-Koki. ,Carbon Brush, Required For Hi-Koki Make Pda 125M A/G5" Grinding Machine. Part No-999021. Make-Hi-Koki Quantity: 10