Features and Benefits:

• Designed to fit most 3/8" Keyed chucks
• Compact for easy storage
• Fits pilot sizes: #1 = 17/64", #2 = 1/4", #3 = 15/64" And #4 = 15/64"
• Opens 86 different chucks
• Universal key allows you to replace the bits in most drills

The Sunex 3/8" 4-Way key was designed to fit most3/8" Chucks for locking and unlocking. This Universal key allows you toreplace the bits in most drills while also remaining compact enough to keep inour tool bag everyday.