There is one rectangle shaped solid rubber pad that sits in a channel on the machine Replaces # 181855. This is Bead Breaker / loosener Pad kit fits many Model Coats ® Tire Machines. There is also 2x nylon square blocks that have 4 bolt holes which secure them to the side of the machine # 181851 This kit fits many model machines with model #s starting in 50, 60, or 70.