Aps Pro Fp50 V2 Backing Plate 2 Pour Flex Pxe 80APS PRO FP50 V2 Backing Plate 2" for Flex PXE 80 The APS PRO 2'' backing plate is the solution for running a 2'' plate on your Flex PXE 80 to bridge the gap on even narrower spaces where the original 1'' and 3'' backing plates simply wont fit your task. The stainless steel core has a conical shape that is enclosed in a flexible polyurethane. Being conical, you can easily see and guide the pad with minimal visual intrusion. It can be used in rotary