Mortar Router w/ Adapter - 5/16" by Bon Tools Save Liquid error (product-badge line 32): -Infinity% $37.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart #11-825 Full tungsten carbide 4-flute router tip Removes mortar from both vertical and horizontal joints Adapter included for use with small angle grinder Bits are 11/2" long with 11/8" working length