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" Sqaure Drive�Features a pin detent design for maximum socket retentionThe MILWAUKEE® SHOCKWAVE™ Lineman's 15/16" to 1 1/8" 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.