Steady Rest believed to be used on a Cylindrical Grinder. It came in a crate with a small assortment of other attachments which are aslo available and include, precision scraped Slotted table/riser, Follow Rest, Radius Dresser and more. Approximate measurements on the steady rest include 6 max diameter. 11? ” x 4? ” base with 8 Bolt spacing. 12″ overall height when arm is fully retracted, and 4ΒΌ” base to center distance. Simply send me a message if you hope to win a few more auctions outside of that 5 day period. Every effort is made to accurately describe and detail each item. Tag words: Machinist, Metalworking, Industrial Surplus, Machining Tools. Id# cg steady rest 2/17 shelf.