Lenox 1852049 Snap-Back Arbor Extension, 7/16-Inch Chuck, 18-Inch

The LENOX SNAP-BACK Quick Change Auger Bit Extensions have a shank size of 7/16″.

• Extreme durability: high speed steel cutting edge for superior durability in nail-embedded wood
• Long life: high speed steel screw tip designed to provide wear resistance and long life
• Fast, easy drilling: unique parabolic screw tip pulls the bit through material quickly and effortlessly
• Snap-back quick change mechanism for quick and easy release
• Resharpenable: resharpen with LENOX diamond file (prod no. 25312diaf1)
• Patented jaw design holds bits securely on ball detent bits (quick change)
• 1/4″ extension works with 1/4″ arbors and insert bits.
• It is magnetic for additional holding power