The 1/4 inch Universal Quik-Lok Extension has an innovative design that fits all 1/4 inch shanks with or without a power-groove. The unique design requires no tools to change out bits. Keyless change no Allen wrench needed. Ideal for cabinet installation, fixture installment, and general driving needs.

• Brand Name: Milwaukee
• Sub Brand: Jam-Free
• Drill Size: 3/16 - 7/8 in.
• Overall Length: 6 in.
• Material: Metal
• Product Type: Step Drill Bit
• Shank Type: 3-Flat Shank
• Number in Package: 1 pc
• Packaging Type: Clamshell
• Shank Diameter: 3/8 in.
• Flute Length: 2 in.
• Finish: Black Oxide
• Size: #4
• Increments: 1/16 in.