Cutting tools for the UP3D P42 Plus milling machine.THESE TOOLS ARE DESIGNED FOR THE P42 PLUS ONLY. DO NOT PURCHASE UNLESS YOU HAVE THIS MACHINE.TITANIUM CUTTING TOOLS ARE IN HIGH DEMAND. KEEP 2 SETS IN STOCK IF YOU USE THEM.YOU WILL NEED SILKSHIELD2 FOR MACHINING CERAMIC AND SILKSHIELD3 FOR MACHINING TITANIUM. THEY ARE NOT INTERCHANGEABLE.