Janome Top Loading Bobbin Case. This will fit the following machines: 659, 2014, 2015, 2018, 2022, 2030, MC3000, 3023, 3123, MC3500, MC4023, MC4123, 5000, 5018, 5024, 5124, MC5700, 2200, Jem Gold, SR2100, , 4123, SD2014, CE2200, SW2018E, SL2022, SX2122, MS3015, MW3018, ML3023, MX3123, MC4000, MyStyle22, 521 Sewist, 525s Sewist, Jem Gold 2, 3018, 3023, 3123, 4018, 4018, 4023, 4618, 4623, 5024, 5124, MC4800, 4900QC, 6019QC, 6125QC, 6260QC, MC300E, XL601, CXL301, BCC30.GD8100 & 2030DC