Pro Bump Feed Trimmer Head / KT50SHPack Size:1J. Thomas rc-71, J. Thomas TR-0002, Mow More vp35, Oregon 55-283, Oregon 55-983, Oregon 55-035-1, Stens 385-465Alpina 21, 25, 30, 34, 34D, 34F, 42, 42D, 42F, 52, 52D, 52F, 160, 180 and 200; Ariens BC350, BC400, TB220E and TB260; Brush King BK32, BK32LT, BK49, BK85 and BK100; Dolmar BC250, BC337, BC377, LT225, LT250, MS340, NB03, NB04, NB26, NB40, NB50, NB411; Echo SRM series, 140, 140A, 140D, 140DA, 200, 200A, 200AE, 200BE, 200CE, 200D, 200DA, 200DB, 200DE, 202, 202DA, 202FA, 210, 210AE, 210E, 210I, 210SB, 210U, 220, 225, 225I, 225SB, 225U, 230, 230S, 230U, 250, 250E, 250EL, 250EU, 251, 260, 260S, 260U, 261, 265, 265S, 265T, 265U, 280, 280S, 280T, 280U, 300, 300AE, 300AE1, 300E, 300E1, 300U, 302, 302ADX, 302BDX, 303E, 310, 310U, 311, 311S, 311U, 330, 340, 343, 343SL, 350, 400, 400AE, 400B, 400BE, 400E, 400U, 402DE, 500, 501, 1500, 1500A, 1501, 2090, 2090L, 2090U, 2010L, 2100, 2100SB, 2101, 2110, 2200, 2201, 2300, 2301, 2350, 2400, 2400SB, 2410, 2450, 2500, 2501, 2501S, 2502, 2510, 2530, 2601, 3000, 3001, 3010, 3100, 3100S, 3110, 3400, 3410, 3500, 3550, 3800, 4600, CLS4600, GT2010, RM310, RM380, RM460, RMA2530, SRA2190; Hoffco JP Series: 215, 215GT, 220F, 225, 260, 260A,260C, 270, 300, 300A, 300B, 300C, 300F, 320,390, 390A, 390, 390A, 390C, 390XL, 420, 420Dand 660;; Homelite HK16, HK23, HK24 (1985 and older), HK30 (1986 and newer), HK33 (1985 and older); Honda UMK422LNA/LTA, UMK431LNA/LTA/UNBZ, HHT25SLTA, HHT255LTAT, HHT31SLTA, HHT31SUNBA, HHT355LTAT, HHT355UKAT; Husqvarna 122L, 123L, 123LD, 16R (1985 and older), 22R (1985 and older), All 225 series, 227LD, All 232 series, 235R, 24R, 25R (1985 and older), 25RL (1987 and newer), 322L, 322R, 323L, 323R, 324LX, 324RX, 325L, 325LX, 325R, 325RJX, 325RX, 326L, 326LDX, 326LX, 326RJX, 326RX, 335LS; IDC 540, 540-1, 540-2, 540 Supreme, 580, 50-1, 580-2 and 580 Supreme; John Deere 21S, 24S, 25S, 30S, 38B, 38R, 38S, 60G, 90G, 99G, 215, 240G, 250G, 260G, 300G, 305, 350G, 360G, 380G, 385, 450G, 460G, 826, 2056, T105S, XT105, XT105SB, XT120, XT140, XT140B, XT140SB, XT170, XT170B, XT250B; Jonsered Big Red 400, BP40, BP40 Combi, BP2040, BR400, BR420, BR450, BR460, BR480, GR26D, GR26L, GR26 Combi, GR32L, GR32L Cat, GR2026CL, GR2026D, GR2032, GR2032D, GR2032L, GR2036, GR41, GR44, GT21L, GT22L, GT24L, J40D, LIT30, LR200, LR220, LR220B, LR220L, LR260, LR260, LR260B, LR260L, LR300, LR320, LR400, LR420, LR450, LR460, RID30, RS44, Tiger 40; Kawasaki KBL23A, KBL26A, KLBL34A; Lawn-Boy 1460, 180, 180CC, 61653 and 61953; Makita EM4251, RB251, RBC221, RBC230, RBC251, RBC252, RBC255, RBC260, RBC261, RBC281, RBC310, RBC311, RBC321, RBC410, RBK410, RST1250; Maruyama BC184, BC184C, BC200, BC200C, BC201, BC220DL, BC221DL, BC230, BC241, BC260, BC260C, BC260H, BC260CB, BC310, BC320, BC320H, BC326, BC340DL, BC402, BC420H, BC500H, BC2300, BC2320, BC2600, BC2620, BC3020, BC3200, BC4200H, BCGX22, BCGX31, BCL2250, BCL2250C, BCL2550, BST23, MC8, MC-S; McCulloch EB series, III, IIISX, IV, IVSL, 32BC, 35L, 38AV, 85A, 280, 282, 285BCS, 287BCS, 297BCS, 325BC, 327BC, 2815, 2816, 2817, 2818, 2845, 3225, 3225HD, 3227, 3227HD, Mac series, 90, 90A, 95, 95A, 99A, 99SL, 100A, 100AHD, 100HD, Pro Mac series, III, IIISUP, IVSUP, 2335J, 2635B, 2635J, 3335L, 4HD, 4335B, Proscaper series, IS, II, IIHD, III, IV, V, PSI, PS2, PS3, PS4, PS5, 28S, 32HD, 32HDS, SEBIV, Silver Eagle, 32BCDLX, 32BCS, SupMac 100A, Titan series, 2300, 2300AV, 2310, 2360, 2400, 2500AV, 2565AV, 3000, 3900, 4335B; MTD ST23, ST26 and ST35; Olympyk 433BP, 727S, 727T, 733S, 733T, 740S, 740T, B200, B220, B220L, B220S, B260, B260L, B300, B320, B400, B420, B450, B460, OL8260BAV, OL8260DAV, OL8260LAV, OL8260TA, OL8350BAV, OL8350LAV, OL8405BP, OL8460BAV, OL8725BAV, OL8725LAV, OL8726TA, OL8735BAV, OL8735LAV, OL8740BAV, OL8742BAV, OL8746BAV, OL8750PRO, OL8763BAV, OL88510BAV, PRO38; Partner B180, B25, B250, SPARTAN, S33, S41, S51 and SCC; Pioneer B180, B25, B250, SPARTAN, S33, S41, S51 and SCC; Red Max BC17, BC23, BC32, BC200, BC220DL, BC225CL, BC250, BC254A, BC260DM, BC260DMU, BC260DL, BC261DL, BC262DL, BC300DL, BC340DL, BC341DL, BC342DL, BC430DWM, BC2000DL, BC2200E, BC2200LDC, BC2240S, BC2300DL, BC2301S, BC2600DL, BC2601S, BC3400DL, BC3400DW, BC3401DL, BC4400DL, BC4400DW, BC4400DWM, BC4401DW, BCD20, BCX2600S, BCX2600DS, BCZ2400S, BCZ2500S, BCZ2500SU, BCZ2500SW, BCZ2500SWG, BCZ2500BC, BCZ2600S, BCZ3000S, BCZ3000SW, BK235FL, BK345FL, BK435FL, BK530DL, BT2000, BT2001DL, BT2200LDC, DM340DMW, DM340FW, ECZ2500S-BC, G2KC, MD431DMW, SCG2300DL, SGCX2600S, SGCZ2500S, SGCZ2600S; Robin NB04, NB042D, NB23, NB26, NB30, NB50, NB321, NB321AU, NB351, NB411, NB415, NB2001, NBKT415; Ryobi 108, 108S, 108KS, 284, 284-1, 284-2, 284-3, 285, 285-1, 285-P, 540, 540-1, 540-2, 580, 580-1, 580-2, 740, 740R, 740-1, 750R, 775R, 780R, 780R-1, 780RB, 780RE, 790R, 840R, 865R, 885R, 990R, 3318, RD180K, REK285BP; Sears 636-79545 and 636-79558; Sears 79532, 79534, 79541, 79542, 79551, 79552, 79555, 79556, 79561, 79565, 79570, 79580, 79819, 79680, 79690, 79717, 79719, 79812, 79813, 79814, 79819, 79853, 79854, 79855, 79857, 636-79545, 636-79558; Shindaiwa 22T, B35, B40, B45, B450B BP35, C20, C23, C25, C230, C230RX, C231, C242, C2510, C260, C261, C270, C3410, C35, C350, DYB251, DYB252, DYB254, DYB261, DYB321, DYB322, F18, F20, F230, LT18, M230, M231, M242, M2510, P18, P21, RC45, T18, T20, T20A, T230, T230XR, T231, T242, T2500, T2510, T260, T261, T261B, T261RX, T261XB, T27, T270, T272, T272X, T282, T282X, T35, T300, T3410X, T350; Snapper 210SS, 210SST, 211SS, 211ST, 212CST, 214DCST, 215ORI, 215SST, 240SS, 240SST, 245ORT, 245SST, 310, 311, 311S, 410, 410SST, 411SST, 414SST, 415ORT, P212LST, PL212LST, SST2111, SST2401, SST4111, SST7111, SSTBC; Solo 014, 100, 115, 118, 119, 130S, 400, F136, FS135, S100, S400; Tanaka 162, 200ON, 205, 215, 218, 220, 220E, 220SS, 232, 233, 240, 250, 260, 262, 265, 265SDH, 270PF, 300, 300SDH, 301, 321, 322, 325, 355, 355SDH, 373, 400, 420PF, 422, 422C, 422SDH, 425, 500, 500SDH, 501, 2000, 2100, 2110, 2200, 2211, 2510 (serial #U215189 and older), 2800, 3010, 4500, 4501, AST210, AST250, AST7000, SUM250, SUM301, SUM321, SUM351, SUM400, SUM421, SUM500, SUM7000, TBC series, TST218, TST501; Toro 1000, 2000, 30900, 30901, 30920, 51628, 51641, 51645, 51650, 51660, CL700, CL2100, CL30900, CL30901, CL30920, TC300, TC350, TC400, TC600, TC650, TC700, TC800, TC2100, TC3000, TC3100, TC3500, TC4000, TC5000 Arbor sizes included:, Spool holds 20' of .095" diameter line, Made by an OEM supplier, Retail Packaging, 7mm x 1.00 LHM, 8mm x 1.25 LHM, 10mm x 1.00LHF, 10mm x 1.25 LHF, Ideal for consumer and commercial use, Recommended for trimmers under 30cc, Single spool allows for single or dual line indexing, Uses .080", .095" or .105" diameter line