This was given to me by the owner of high tides in gainesville florida, its an 18mm 1 an half foot jerome baker design tube and it comes with a 18 to 14 conver downstem and 14mm bowl.. the only reason im selling is because i want the ziggy roor n its pricey i love this piece always shocks people when they see it. Scarface, al capone, etc. it sick Pm with an offer