McMaster 2815A13 Jacobs Taper Mount Keyed Drill Chuck, Number 3, for 0.04" to 1 2" Bit Shank Size, Model 14N 31500035407000 CC Shackle Type Standard Shackle Vertical Shackle Type Standard Shackle Vertical Shackle Clearance 1 1 8 in Horizontal Shackle Clearance 3 4 in Shackle Diameter 3 8 in Shackle Material Boron Alloy Shackle Finish Chrome Plated Lock Body Color Silver Body Height 2 in Body Thickness 3 4 in Body Width 2 in Lock Body Material Steel Lock Body Finish Chrome Plated Number of Pins 5 Pin Number of Keys 2 Rekeyable Yes Features Aptc12 Cylinder Helps Prevent Picking Resistance Properties Corrosion Resistant Compatible Key Manufacturer Part Number AK5 Environment Indoor and Outdoor Country of Origin Taiwan Knurled Drive Roll choose a chuck where your drill bit diameter falls in the middle of the bit shank size range 0175 USMCA Qualifying No