• 3/4" internal drive x 1/2" external drive
• 2-7/16" long
• Compact size for access to tight quarters
• Chamfered drive end for easy drive engagement
• Replaceable square drive pin
• Unique bit retention system provides a tight fit with the socket base to prevent the bit from loosening or detaching from the socket
• Improved design offers maximum durability
• Not designed for use with an impact gun
