Torquata Replacement Carbide Insert Cutters suits SPRI-381-H Router Bit Drawknives Fits all CNC clamping scenarios:

Fits all CNC clamping scenarios: Flat T-Track to Depts with Spoil boards

as well as allowing the cleanest finish

Perfect for anyone who needs an economical yet effective flattening stone

Both the base and the jigs give you support and control throughout the sharpening process

Torquata Replacement Carbide Insert Cutters suits SPRI-381-H Router Bit Drawknives Fits all CNC clamping scenarios:Replacement Carbide Inserts for SPRI 381 H Surface Planing router bit. Replaceable insert cutters are cost effective over time, as you only swap out the blades instead of the entire router bit unit. They feature a sharp edges along all sides, giving you four cutting surfaces per blade. Once inserts become worn, it is simply a matter of loosening the screw and rotating to a fresh edge, only replacing with a new cutter once all four edges are dull.