Includes (1) 638033001 SpringNew, Bulk PackedGenuine OEM Replacement Part # 638033001Consult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Ryobi: RY29550, CS30, RY30000B, SS30, SS30, RY30002B, BC30, BC30, RY30004B, RY30004D, RY30020A, CS30, RY30040A, RY30040B, SS30, RY30060A, RY30060B, BC30, RY30120, RY30140, BC30, RY30220, RY30220A, RY30220B, RY30240, RY30240B, RY30260, RY30260B, RY30524, RY30530, RY30544, RY30550, RY30564, RY30570, RY30931, RY30951, RY30971, RY39500, RY52014 TP30, RY52502, RY52504, RY52903, RY52905, RY70101, RY70101A, RY70103, RY70103A, RY70105, RY70105A, RY70107, RY70107A, RY70111, RY70113, lit, RY30020, RY30020, RY30060, SS30, RY30023, RY30063, RY30020B, RY26500, CS30, RY26901, RY26520, RY26921, RY26540, RY26941, Homelite: UT-08580, UT-08981, UT-08520, UT-08921, UT-08550, UT-08951, UT-08115, UT-20042 EZ Reach, UT-20042-A EZ Reach, UT-20043-A EZ Reach, UT-20022, UT-20022-A, UT-20023-A, UT-20002-A, UT-20003-A, B25C, B25C, B25S, UT15198, BC3000: BC730SBR, BC800, BC900, BC900, C1200, C300, C300, UT-70026, D630CD, UT20696, D725CD, D725CD, D725CD, UT20695, UT20713, D725CDE, D730CDV, UT20711: D825CA, UT20705, UT15152, UT15160, UT15165, UT15170, UT20700, UT20701, UT20709, D825SD, D825SD, D825SD, D830CA, D830CB, D830CB, D830CD, D830SB, D830SB, D830SBA, D830SD, UT-20680, UT-20680-A, UT-20703, UT-20704, UT-20715, UT-20724, UT-20730, UT-20737, UT-20738, UT-20749, UT-20758, UT-20769, UT-20769-A, UT-20785, UT-20806, UT-20832, UT-20837, UT-20699, UT-20678, UT-20678-A, UT-20688, UT-20688-A, UT-20688-B, UT-20693, UT-20780