Lisle 1/2-20 ADAPTER

Features and Benefits:

• Easily adds a locking keyless chuck to any 1/4-Inch hex drive tool.
• Allows use of locking steel keyless chuck, 1/2-Inch-20 UNF thread to 1/4-Inch hex, to utilize any standard shank drill bits 1/16-Inch-1/2-Inch sizes and accessories.
• Use no.3 Phillips screwdriver to secure chuck with left-hand thread screw