Features and Benefits:�12PT Design to fit square and hex hardware�1/2" Sqaure Drive�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�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 designed to increase efficiency 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 12PT design will fit all 9/16" and 3/4" hex and square hardware for increased versatility. A 7/16" to 1/2" impact adapter is included.