Shopsmith's Premium Convenience Package combines three customer-favorite products designed to enhance your woodworking while improving the ease of use of your MARK machine. The Convenience Package includes our Premium Retractible Caster Set with oversized 3 Inch Polyolefin wheels. Follow the easy installation instructions to effortlessly raise your machine off the floor and roll anywhere in your shop with the effort of just one finger. Also included is the Shopsmith Lift Assist which uses a specially-calibrated hydraulic cylinder to do the heavy-lifting for you while switching operations. We also include our classic, Full-Length Denim Shop Apron with Shopsmith Logo which has been a favorite of lathe turners for years. This heavy-duty connton denim apron is 36 Inches long with oversized pockets and fray resistant straps.