Features and Benefits:�Internal anti-rust stainless steel spring for increased durability�A 2-in-1 design will fit two different sized hardware without changing the socket�7/16" to 1/2" Shockwave™ Lineman's Impact Adapter Included�6PT Design to fit hex hardware�1/2" Square Drive�Features a pin detent hole for locking onto pin detent tools and adapters�Fit's 9/16" hardwareThe SHOCKWAVE™ Lineman's 9/16" to 3/4" 6PT 2-in-1 Socket is design to increase effeciency and safety for Lineman. With an anti-rust stainless steel spring loaded design, it is the most durable 2-in-1 socket design and provides hands-free changes. The 6PT design will fit all 9/16" and 3/4" hex hardware connections without stripping the hardware. A 7/16" to 1/2" impact adapter is included.