Makita's convenient?? 3-Material?? 9-Piece Metal?? Wood?? and Concrete/Brick Hammer Drill starter Bit Kit with dedicated 3 Masonry + 3 Wood + 3 Metal Bits with the most commonly used household hole sizes for each application</br>3-In-1 Hammer Drill Bit Kit set conveniently solves the most common household drill and hammer drill needs with the most common screw and hole sizes for each material application</br>Includes: 3 HSS-Tin drill bits for metal + 3 Tungsten Carbide Tip (TCT) drill bits for light duty concrete/brick + 3 Brad point drill bits for wood</br>Exact sizes are: 3 units of 3/16"4"?? 5/16"lengths for metal + 3 units of 3/16"?? 1/4" 5/16" lengths for concrete/brick + 3 units of 3/16"?? 1/4" 5/16" lengths for wood</br>Ideal multi-material Hammer Drill bit set for DIYs with a wide variety of general drilling applications with the most commonly used sizes for easy?? fast and convenient drilling</br></br>Product Description</br></br>Makita's all in one Drilling Starter Kit is designed for general multi material applications.This drilling bit set is for metal?? wood?? and light concrete/brick. The drilling bit set has 3 of the most commonly used drilling?? screwing or anchoring sizes of 3/16"4" and 5/16" for easy drilling. Multi purpose drilling bit set is for light to medium duty applications and DIYs?? optimized for Makita power tools but fully compatible with all Drills and Hammer Drills. Makita's multi purpose drill bit set comes with a protective plastic case for ease of use?? quick access?? and safe storage.</br><br/>http://www.amazon.com/gp/product/B01E46AX2AAlizer?? mut