1/4" Hex Shank design for Quick Release. Self ejecting style for making your own wood plugs. 3/8" size is #4 through #10 screws and 1/2" is for #12 screws.
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.