Cheap And Discounts EDM Parts Upper Isolator Plate MX301 Ceramic Insulating Board 90x50x15Tmm for MAXI Series CNC Wire Cut Machine Wholesale. Buy Directly From Merchant Mifasoles EDM Comsumables Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.