The Milwaukee 49-66-4422 model 5/16" Shockwave Impact Duty Deep Well Socket (3/8") is a part of the Shockwave Series. This socket is engineered for extreme durability and up to 10X the life of competitors sockets. It's made from proprietary steel and heat treated to control the hardness.
|Manufacturer:||Milwaukee Electric Tool|
|Shipping Dimensions||4.5" x 2.0" x 0.9"|