Superior Electric S3-TL 3 in 1 Drill Chuck Key.

Now tightening and removal of drill bits in keyed chucks is not a problem anymore! This versatile product works for most chucks and fits all major brands.

Can be used for a variety of power and air tool chucks. Chuck Key Fits 1/4" & 3/8" Chuck.

• Essential power tool accessory for hand-held power & cordless drills, drill presses
• One tool with 3 key sizes for tightening and loosening chuck
• Drill without properly tightened chuck is virtually worthless - always keep extra key on hand

This part is compatible with:

• Variety of power and air tool chucks

• D1: 16.6mm (0.654"), 18.8mm (0.740"), 15.9mm (0.626")
• D3: 5.9mm (0.232"), 6.2mm (0.244"), 6.7mm (0.264")