Whiteside Slotting Cutter Arbor 1/4 in. SH is designed for use with any of Whiteside's 3-wing carbide tipped cutters, making it i for running slots for panels, splines, and t-moldings, as well as cutting tongue and groove joints. This cutter arbor features a shaft length of 7/8" and includes a RB5 bearing that allows a 1/2" depth of cut, along with two spacer washers and a lock nut. For different cutting depths, you can easily switch the bearing to other sizes sold separately, such as RB20 for 9/16" depth, RB25 for 3/8", RB26 for 1/4", and RB27 for 5/8". Please note that cutters and arbors are sold separately. Manufactured by Whiteside Machine Company in Claremont, North Carolina, this arbor comes with a 1/4" shank size and an overall length of 2-3/8". Model Number: A200B