Features and Benefits:•Shockwave™ Lineman's AccessoriesThe MILWAUKEE® SHOCKWAVE™ Lineman's 3/8" & 1/2" 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.