68mm Conical Burrs Home / Shop 68mm Conical Burrs $95.00 Home / Shop 68mm Conical Burrs $95.00 Model Number: CON68 Replacement 68mm Conical Burrs for Monolith Conical grinder or any other grinder that uses 68mm burrs. Maximum quantity exceeded Minimum purchase amount of 0 is required Maximum purchase amount of 0 is allowed OUT OF STOCK 10000000 Description 68mm Conical Burrs for Monolith Conical grinder. Also can be used in any grinder that uses 68mm burrs.