Includes (4) 878563 KeysNew, Bulk PackedGenuine OEM Replacement Part # 878563-4PKConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Porter Cable: 7556, 7556, 7556, 7556, 7563, 7563, 7564, 7564, 7564, 7564, 725 Two Speed Porta, 725 Two Speed Porta, 725 Two Speed Porta, 726 Porta, 726 Porta, 726 Porta, 352 Sander, 352 Sander, 352 Sander, 352 Sander, 352 Sander, 360VS Sander, 360VS Sander, 360VS Sander, 360VS Sander, 360VS Sander, 360 Sander, 360 Sander, 360 Sander, 360 Sander, 360 Sander, 361 Sander, 361 Sander, 361 Sander, 361 Sander, 361 Sander, 361 Sander, 361 Sander, 361 Sander, 362VS Sander, 362VS Sander, 362VS Sander, 362VS Sander, 362VS Sander, 362 Sander, 362 Sander, 362 Sander, 362 Sander, 362 Sander, 362 Sander, 362 Sander, 362 Sander, 362 Sander, 363 Sander, 363 Sander, 363 Sander, 363 Sander, 363 Sander, 363 Sander, 363 Sander, 363 Sander, 503 Sander, 503 Sander, 504 Sander, 504 Sander, 736 Portable, 362 0 Belt Sander, 362V 0 Belt Sander, 361 Belt Sander, 361 0 Belt Sander, 360 0 Sander, 360VS 0 Sander, 351 Sander, 351 Sander, 351 Sander, 351 Sander, 351 Sander, 7554 Reversible, 7554 Reversible, 7554 Reversible, 7554 Reversible, 7566, 352VS Sander, 724, 724, 724, 633, 633 : 633, 352VS Sander, 352VS Sander, 352VS Sander, 352VS Sander, 352VS Sander, 360 Sander, 360 Sander, 360 Sander, 360 Sander, 352VS Sander, Black and Decker: 363 0 Belt Sander