BOSCH FB004 - Forstner Bits 1/4 Inch is ideal for drilling decorative holes for fine woodworking & and its suitable for portable drills or stationary machines.
BOSCH HS1915 - SDS-Max Tile Chisel Self Sharpen 2 Inch X 11-1/2 Inch is used for scraping such as removing tile from a concrete floor and fits SDS-MAX hammer drills and large Hilti hammer drills with round shank.
