4-Piece Replacement Chuck Key Set, Electric Chuck Key, 10mm/13mm/16mm/20mm, Universal Chuck Key for Drills, for Impact Drills, Drill Clamping Tool

• 【Carbon Steel Materials】 Made of high-quality carbon steel. Small size, easy to carry. Used to check the tightness or looseness of electric drill bits.
• 【Thumb Grip Styles】 Designed for performance. Thumb grips increase leverage and user comfort. Mild steel grips limit the potential for dangerous breakage under excessive load.
• 【Easy to Use】 Replacement wrench with a black surface. Suitable for checking the tightness of loose bits on electric drill bits.
• 【Durable and Practical】 Will check the tightness of the play in the tightening tool of electric drill bits. Fits all common drill bits with a toothed crown.
• Can be used in hammer or drill mode, very durable, comfortable to grip.
• 【Application】 Suitable for most drills and other power tools. Ideal for home renovation projects. Great for use with hammer drills when a tight fit is required. Ideal for garages, workshops, carpentry, auto parts, and machine repair.

Functions:

- Used to check the tightness or looseness of an electric drill tool.

- Can be used in hammer or drill mode, very durable, comfortable to grip.

- Ideal for tightening and loosening the jaws of a drill chuck.

Specifications:

Material: Carbon steel

Color: Black

Size: As shown in the picture

Package includes:

1 x 10mm chuck key

1 x 13mm chuck key

1 x chuck key

1 x chuck key 20 mm