Daredevil Drill Bit, Multi-Purpose, 1/2 x 4 x 6-In. Hex Shank Drill Bit The vent collar provides a

The vent collar provides a cover for a rough wall opening

5" diameter aluminum shade

preventing wind damage to screen and storm doors and door closers

and removes stubborn oil filters from cars

For all interior doors where a latch is required

Daredevil Drill Bit, Multi-Purpose, 1/2 x 4 x 6-In. Hex Shank Drill Bit The vent collar provides aDaredevil, 1 2" x 4" x 6", multi purpose drill bit, upgraded multi grind heads deliver up to 85% faster drilling in metal than standard bits, hex shanks & impact rated allows use in impact drivers & hammer drill drivers for added versatility, sharp ground cutting edges designed for advanced performance, steep flutes with ribs deliver fast material removal in multiple materials, multi application design offers drilling in masonry, brick, block, tile,