UNIVERSAL QUIK-LOK - Quick and easy accessory changes.  Gives the end user extra bit length in hard to reach areas.</br>DOUBLE WING SPURS - Reduces vibration while preventing "break out".  Spurs allow easy hole formation.</br>PATENTED CUTTING EDGE - Easier and faster wood boring over conventional models.  Cutting edge removes chips fast?? dissipating heat from the bit.</br>1/4"QUICK-CHANGE HEX SHANK - For use in all Universal Quik-Lok Extensions.</br>Standard Equipment: 6" Universal Quik-Lok All Hex Extension; 6" Flat Boring Bits: 3/8"?? 1/2" 5/8"?? 3/4" 7/8"??1" 1-1/8"; and Case.</br></br>Product Description</br></br>The 8 Piece Universal Quik-Lok Flat Boring Set is the perfect compliment to any trade where wood boring is an everyday application. Coming in the most common sizes?? and the addition of the Universal Quik-Lok All Hex Extension?? makes this kit versatile for any job no matter the trade. Standard Equipment: 6"niversal Quik-Lok All Hex Extension; 6" Flat Boring Bits: 3/8"?? 1/2" 5/8"?? 3/4" 7/8"?? 1" 1-1/8" and Case.</br><br/>http://www.amazon.com/gp/product/B000X3NRRMM/8 plung