Features 2mm micrograin tungsten carbide tips for cutting the most abrasive materials to give extra long life ptfe coated indicated by distinctive black colouring can be used on hardwood softwood fibreboard plywood and particle board etched dimensions on extra long 40mm shanks for quick identification includes 3 extra bearings tool creates rebates 7 9mm 9 5mm 11 1mm 12 7mm dimensions d1 38 inch d35 mm c12 inch c12 7 mm overall length64 mm shank diameter14 inch sha