'Countersink Cage, Thread Size 3/8 In.-24, Shaft Style Round, Shaft Dia. 5/16 In., Removable Foot Plate No, Foot Plate Material Steel, Foot Plate Size Standard, Cutter Dia. 3/4 In., Incremental Depth Adjustment 0.0010 In., 3000 Max. RPM, Overall Length 5-15/16 In., Features 1-1/8 In. O.D, 1-7/64 In.'