Inner hole:8mm (for M4210 Roller) ProductType:Wire EDM Spare Parts addtime:2021-2-15 11:14:09 *Inquiry information, our customer service will contact you after receiving the information。 Name: Inner hole:8mm (for M4210 Roller)Item No.: M861;133620 (DB16300) Usage: Inner hole:8mm for Mitisubishi wire EDM machine