New! Expansion Tools! The 3-bladed tools are available in 3 sizes: 3"- 4", 4"- 6" and 4"- 8" and are constructed of heavy-duty heat treated steel for longer life. Blades can be replaced separately for cost savings. For use on Mainline Machine Models C, D-5, 325 and 800. All of the expansion tools feature the Snap-Lock quick connect tool coupling. Call 1.800.445.8289 now!