Set-Up Blocks for Rail & Stile Router Bits by MLCS
The pre-cut profiles allow quick, proper height adjustments with accurate setup everytime. Made of 2-3/4" L x 1-7/8" W ultra high molecular weight polymer and will not distort or swell. Use the cove cut (tongue cut) edge first, then use the profile cut (groove cut) edge next.
For use with 3/4" stock, except 486-1850 and 486-1851 which are for use with 1/2" stock.