Includes (1) 660622001 ScrewNew, Bulk PackedGenuine OEM Replacement Part # 660622001Consult 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 RY10519B, RY10521B RY10521B, Homelite: UT-10848, UT10517, UT10518, UT10520, UT10514, UT10516, UT10947A, D3300, UT-10803, UT10519, UT10522, UT10526, UT10946D, UT10927D, UT10942D, UT10550ch, UT10552 ch, UT10868, UT10878, UT10861, UT10886, UT10865, UT10866, UT10887, UT10846, UT10884, UT10856, UT10858, UT10885, UT10888, UT10869, UT10867, UT10860, UT10864, UT10862, UT10859, UT10863, UT10874, UT10847, UT10941, UT10881, UT10853, UT10883, UT10870, UT10901, UT10880, UT10857, UT10882, UT10854, UT10901B, UT10927, UT10927A, UT10946, UT10946A, UT10942A, UT10945, UT10947, UT10947D, UT10947E, UT74121Bch, UT74121Dch, UT74123Bch, UT74125Bch, UT74123Dch, UT74125Dch, UT74127Dch, UT10901A -, UT10926 -, UT10910 -, UT-10817, UT10530A- ch, UT10786 Z3300c, UT-10829, UT10782 Z3300, UT10942, UT-10731 8800, UT-10731-A 8800, UT-10731-B 8800, UT-10731-C 8800, UT-10810 8800HG, UT-10532, UT-74125-D18-In, UT-05034 DM54, UT-05035 DM54, UT-05039 DM54, UT-05040 DM54, UT-05044 DM54, UT-05051 MP88, UT-05051-A MP88, UT-05051-B MP88, UT-05056 MP88, UT-05073 MP88 W/12-In, UT-05073-A MP88 W/12-In, UT-05074 MP88 W/14-In, UT-05074-A MP88 W/14-In