Extra-thin wall deep length impact sockets for removing/ installing transmission and differential end yoke locknut's Can be used on a wide variety of trucks Packaged in a metal case Lifetime Warranty Use caution and follow the manufacturer's recommendations when servicing these parts You no longer need to modify an impact socket, or purchase expensive, custom designed hand sockets to service these parts. Grey Pneumatic sockets are designed for professional tool users. They are engineered specifically for use with impact tools using the most up to date industrial specifications. This struck pinion locknut socket set contains the following sizes: 2", 2-1/8", 2-1/4", 2-3/8", 2-1/2", 2-5/8" and 2-3/4".