Available for a limited time, purchase this 18-Volt JobMax starter kit and choose any free attachment to add onto your kit up to a $69 value free instantly. Industry's most versatile tool system is expanding its power options again. RIDGID introduces the X4 18-Volt base for the system of interchangeable tool heads. The X4 18-Volt JobMax is the most compact multi-tool on the market for cutting, sanding and scraping in the tightest areas. The RIDGID JobMax X4 18-Volt multi-tool accepts all popular multi-tool accessories with the included universal adaptor, so you can choose the right attachment for every job. This unit works with all RIDGID 18-Volt batteries (not included) and all of the RIDGID JobMax attachment head.