Diversified Fastening Systems DFS-CST950S Con-Sert Tool #9 is used for drilling pilot holes and driving screws to secure objects to concrete, block and brick with #8-#10 Plastic Screw Anchors. Installation is fast and easy.
For use with #8-#10 Plastic Screw Anchors
Secures objects to concrete, block and brick materials
The drill bit is a .187 diameter (not 3/16in)
The Phillips driver is a #2
The hex end on the tool is a 1/4in