Chuck Key, 0.375 & 0.5 In., 0.25 In. Pilot Shank

Jacobs 3/8" & 1/2" Chuck Key, 1/4" Pilot Shank features a soft steel handle that limits the potential for dangerous fracturing under excessive loads. This chuck key is a must-have for any professional or DIY enthusiast who needs to securely tighten or loosen drill chucks.

• 3/8 In. & 1/2 In. Chuck Key
• 1/4 In. Pilot Shank
• steel
• Suitable for drill chucks