Milwaukee 49-22-5100 Specifications:
??Switchblade Selfeed Bits: 1-3/8", 1-1/2", 2-1/8", and 2-9/16"
??Universal Quik-Lok Extension: 5-1/2" x 7/16"
??Each Replacement Blades: 1-3/8", 1-1/2", 2-1/8", and 2-9/16"

Milwaukee 49-22-5100 Includes:
5 Piece Switchblade Plumbers Kit:
??4 Switchblade Selfeed Bits
??1 Universal Quik-Lok Extension
??1 Each Replacement Blades
??4 Feed Screws
??4 Set Screws
??1 Hex Wrench; Removable Storage Case; Carrying Case

Milwaukee 49-22-5100 Features:
??Replacement blades made with hardened steel increases bit life.
??Size and model number engraved on each bit.
??Compact carrying case with handle.
??Aggressive feed screw design allows the bit to pull through the wood faster, resulting in faster drilling.