SpeTool O01010 10pcs 12 MM x 12 MM x 2.2 MM Carbide Insert Replacement for Insert Router Bit

SpeTool square corners carbide inserts,2.2mm thickness,12mm length, 12mm width, 4-indexable cutting edge, 45°Cutting Angle The blades are made of solid tungsten carbide, sharp and durable, smooth cutting work Easy to operate, each blade has 4 sharp edges, 4 times life than the normal router bit Fit for Spetool spiral/helical planer cutter head system, DIY wood lathe Tools Packed in a plastic container, comes with 10 pcs of carbide inserts