Big Horn 14106 Mortise Center Router Base. Simply straddle the board between the pins and cut your mortise perfectly centered every time Plate is constructed of 1/4" Acrylic with 1-1/2" opening, & is transparent for visibility. Solid brass guides thread easily into 3 different insert settings for a variety of wood thicknesses and for non-centered mortises.

Features:

• Makes making a mortise and Tenoning joint easy

Predrilled Hole Pattern Fits:

• Porter Cable 690/890 series, Makita 1100-1101 series Bosch 1617-1618 (fixed base only) & DeWalt DW616/DW618. 6-1/2" diameter.11/16" L guide posts