The Mortar Knife is an SDS-plus bit intended to speed the removal of mortar from vertical joints during tuckpointing. Used in a rotary hammer set to chipping mode, the bit allows masons to avoid grinding vertical joints—an operation that leaves excess mortar at the ends of cuts and risks damaging the masonry. The Mortar Knife is scheduled for release in the summer of 2014. It will come in 1/4-inch and 3/8-inch widths and sell for about $20. For a demonstration of this tool see the video below.