Includes (10) 638033001 SpringsNew, Bulk PackedGenuine OEM Replacement Part # 638033001-10PKConsult 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