The heavy-duty chalk hem marker with casters has a weighted steel base with 1-1/4" casters for easy mobility around your store on tile and carpet. It adjusts from 4" to 27-1/2" from the floor. 5-1/2" base x 31" tall. Hose is 18" long to the pump. Comes with 1.5 oz. of chalk and is easy to set up and use. Can be used on pants and skirts and the chalk brushes away from the garment .