Replacement guide set to fit HydMech and MEP bandsaws, such as the Hyd Mech S23A, DM1318P and MEP Shark. Complete set contains 4 side guides (individual numbers 010.1723, 010.1724, 010.1725 and 010.1726) and 2 pressure blocks (part number 010.1731) Replacement of the guides is necessary when the blade is no longer held perpendicular to the table and the machine begins to cut crooked.