... big to be suitable for the large and long work piece.2. Hardened and ground 24 position master plate, can ... operation. It’s sharp equipment for mass-production. 5. Super Spacer index include 3 jaw chuck, Face plate dia. 10 ... , 250mm Masking Plates 2,3,4,6,8,12. 6. Simple index include 3-jaw chuck, Masking ... Plates 2,3,4,6,8,12 7. Used the key guide block, the center ...