• Use with electric/cordless drills and screwdrivers that accept 1/4 shanks
• Manufactured from the highest quality proprietary steel, providing optimum strength and durability
• Knurled sleeve provides easy attachment and removal of sockets even with the greasiest hands
• One handed lock mechanism with ball retention ensures socket retention and allows for faster socket attachment and removal
• Black oxide finish helps protect against corrosion for longer tool life