Leecraft BH-2 Zero Clearance Dado Insert for 4000 and 4100 Table Saw Installation instructions included Leecraft Model #BH-2 Fits 4100/4000 series jobsite table saws 13-9/16" x 3-3/4" x 7/16" thick w/o riving knife slot Precision machined from melamine faced, high-density phenolic laminate