Aggressive feed screw allows the bit to pull through the wood faster; each bit comes standard with a second replacement blade with size and model number engraved on each bit. Kit includes: (4) Switchblade self-feed bits (1-3/8", 1-1/2", 2-1/8", & 2-9/16") (1) Universal Quik-Lok extension (5-1/2" x 7/16"), (1) each replacement blades (1-3/8", 1-1/2", 2-1/8", 2-9/16"), (4) feed screws, (4) setscrews; (1) hex wrench, removable storage case and carrying case.

• SELF-FEED DRILL BIT KITS
• ''SWITCHBLADE''
• PLUMBERS KIT
• 5 PIECES