The KPPK-22 is the top of the line KettlePizza kit madeade for hardcore KettlePizza users. This kit offers the basic KettlePizza unit plus the popular ProGrate/Tombstone Combo. This kit has our Tombstone which is stone is 15.7 inch x 14.5 inch with a rounded edge. Since it is thicker, it retains more heat and makes pizza placement and removal easier. This combination allows higher dome temperatures for quicker bakes and side access openings for easier refueling. This kit includes a FREE Aluminum Pro Pizza peel. Note: This product only works with 22.5 inch kettles. Included with the KettlePizza Pro 22 kit are: - one 304 stainless steel pizza oven sleeve for 22.5 inch kettles - two wood handles with stainless steel standoffs - one hi-temp thermometer - one 14" pizza pan - stainless steel hardware - one 22.5" stainless steel ProGrate that allows refueling without removal of KettlePizza insert - one 5/8" Tombstone shaped pizza stone. Larger and thicker for better heat retention and easier pizza placement - one firebox which allows higher temperatures within cooking chamber - one aluminum pro pizza peel with hanging S clip (INCLUDED FREE) Some basic assembly is required (no tools needed). The product is proudly Made in USA and has patents pending. Buyers must first have a kettle grill such as a Weber One Touch 22.5 Inch Gold or Silver. NOTE: This product works only with 22.5" grills.