Delta model 50-345 universal mobile base. This base allows you to move a machine (with or without work stand). You supply your own hardwood lumber 1 1/2” x 1 1/2” to your determined length you want. You could put a piece of plywood as a base plate and set heavy items on it —- heavy barrel, box of firewood, garbage bins, etc. Really easy to move in your garage, shop, or basement. Included are step by step easy instructions . All hardware is included . These bases retail from $70 - $80 plus tax. $45.00 takes it home today . Cash only