Product Description Robert Sorby 4" Modular Toolrest Crossbar I766/4 A versatile new tool rest system using hardened steel crossbars which screw directly onto threaded stems with machined flats for accurate and secure fitting. It is the interchangeability of the system which makes this system so useful and allows you to build the set as needed. Stems available in 1/2" ,3/4", 7/8", 1", 25mm, 28mm and 30mm diameters to fit most popular lathes. Image shows complete system.
