Includes (1) 671095001 SpringNew, Bulk PackedGenuine OEM Replacement Part # 671095001Consult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Ryobi: RY74003D, RY74005D, RY74007D, RY10518, RY10520, RY10519, RY10521, RY10519A, RY10521A, RY10519B, Homelite: UT10540, UT-10848, UT10517, UT10518, UT10520, UT10560, UT10580, UT10514, UT10516, UT10947A, UT-10803, UT10519, UT10522, UT10526, UT10544, UT10546, UT10564, UT10566, UT10584, UT10586, UT10946D, UT10927D, UT10942D, UT10548, UT10568, UT10588, UT10549, UT10569, UT10589, UT10542, UT10562, UT10582, UT10550, UT10552, UT10640, UT10660, UT10680, UT10868, UT10878, UT10861, UT10886, UT10865, UT10866, UT10887, UT10846, UT10884, UT10856, UT10858, UT10885, UT10888, UT10869, UT10867, UT10860, UT10864, UT10862, UT10859, UT10863, UT10874, UT10941, UT10927, UT10927A, UT10946, UT10946A, UT10942A, UT10945, UT10947, UT10947D, UT10947E, UT74121B, UT74121D, UT74123B, UT74125B, UT74123D, UT74125D, UT74127D, UT10901A, UT10926, UT10910, UT10530A, UT10918, UT-10687-B, UT-10687-C, UT-10687-D, UT-10687-E, UT-10829, UT10942, UT-10790, UT-10797-RB2014, UT-10934B2014, UT-10798RB2316, UT-10936B2316, UT-10798-R1B2316, UT-10937B2316WCc, UT-10877B2718, UT-10938B2718, UT-10875B2720, UT-10939B2720, UT-10876B2720CC, UT-10940B2720CC, UT-10532, UT-10767D3350B, UT-10767-AD3350B, UT-10768D3350BC, UT-10768-AD3350BC, UT-10769D3850B, UT-10769-AD3850B, UT-10833D3850B, UT-10770D3850BC, UT-10770-AD3850BC, UT-10824D3850BC, UT-10837D3850BC, UT-10838D3850BC, UT-10801D4150B, UT-10802D4150BWCc, UT-10787D4550B, UT-10832D4550B, UT-10836D4550BC, UT-10774I3350B, UT-10774-AI3350B, UT-10840I3350B, UT-10758I3850B, UT-10758-AI3850B, UT-10808I4150B, UT-10839I4150B, UT-10807I4550B, UT-10834I4550B, UT-10759-A20AV, UT-10771-A20AVWCc, UT-10772-A23AV, UT-1082023AV, UT-10773-A23AVWCc, UT-1082223AVWCc, UT-1082323AVWCc, UT-1080425AVWCc, UT-1080527AV, UT-1083127AV, UT-1082527AVWCc, UT-1082727AVWCc, UT-1083027AVWCc, UT-1083527AV