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•12PT Design to fit square and hex hardware•1/2" Square Drive•Features a pin detent hole for locking onto pin detent tools and adapters•Fit's 9/16" hardware•Features a pin detent hole for locking onto pin detent tools and adaptersThe MILWAUKEE® SHOCKWAVE™ Lineman's 7/16" & 5/8" 2-in-1 12PT Socket is designed to increase efficiency and safety for Lineman. The anti-rust, stainless steel spring-loaded design makes this 2-in-1 socket the most durable. The 12PT design allows compatibility with all 15/16"and 1 1/8" for both hex and square hardware for increased versatility and hand-free changes. A 7/16" to 1/2" impact adapter is included.