Includes (2) 638275002 WashersNew, Bulk PackedGenuine OEM Replacement Part # 638275002-2PKConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Ridgid: RD80746, RD80947, RD80903, RD80701, RD903612, RD905712, RD80945, RD903600, Homelite: BM80913 Black Max, HL80833, HL252300, UT80522, UT80953, UT80546, UT80977, UT80709, UT80911, UT80911A, UT80709A, UT80835, UT80933, UT80993, BM80913A, UT902250, UT80432A, UT80993A, UT80522B, UT80953B, BM80915, BM80919, BM80919A, CT80701, CT80806, GC80747, HL80923, HLCA80710, HU, HU22511, HU80432, HU80709, HU80911, HU80709A, HU80911A, HU80714, HU80915, HU80715, HU80722, HU80722A, HU80833, HU80833A, HUCA80443, HUCA80709A, PS262311, PS282411, PS80522, PS80903A, PS80903B, PS80944, PS80946, PS80979, PS80979A, PS80983, UT80522A, UT80953A, UT80522D, UT902211, WF80710, WF80911, HL80835, UT80522E, UT80953E, Ryobi: RY80940, RY80940A 3100-Psi, Husky, HU, HU22511, HU80432, HU80709, HU80911, HU80709A, HU80911A, HU80714, HU80915, HU80715, HU80722, HU80722A, HU80833, HU80833A, HUCA80443, HUCA80709A