... board,Softwood,PlasticMaterial: A series adopt for K200 Micro Grain Solid CarbideGood For:Acrylic,PVC,Plastic,but long CEL bits ... .175223.17550A1LX3.323.175323.17560A1LX3.423.175423.17570A1LX412412440A1LX417417450A1LX422422450A1LX432432460A1LX442442470A1LX452452480A1LX617617650A1LX622622650A1LX632632660A1LX642642670A1LX652652680Marterial:N series adopt for K10 Micro Grain Solid CarbideGood For:PVC, ...