Invisible concealed/zipper foot 7mm, Janome  200333001 (P80601ZN)

Janome Sewing Machine Models: 1860, 2030DC, 2040, 2160QDC, 3022, 3160QDC, 4045LX, 4048, 4119(Quilter's Delight), 4120QDC, 4618LE, 4623LE, 49018, 49360, 5024, 509, 521, 525S, 5812, 6019QC, 6125QC, 625EV, 6260QC, 652, 653, 659, 660-Jem Gold, 661G-Jem Gold Plus, 661-Jem Gold 2, 662-Jem Silver, 665-Jem Gold III, 7061NX, 712T, 7318 Magnolia, 7325 Magnolia, 7330 Magnolia, 7360 Magnolia, 8048 Harmony, 8050, 8077, 808, 8080, 808A, AQS2009, CE2200, CM2200, DC1018, DC1050, DC2007LE, DC2012, DC2013, DC2014, DC3018, DC3050, DC4030, DC4030P, DC5100, DE5018, DE5024, DE5124, DS3500, DX2015, DX2022, DX2030, DX502, Harmony 4052LX, HD-3000, Hello Kitty 15822, Hello Kitty 18750, HT2008, HT2008LE, Jem Platinum 720, Jem Platinum 760, JW7630, MC1000, MC10001, MC11000 Special Edition, MC2400, MC3000, MC3500, MC4000, MC4400, MC4800, MC4800QC, MC4900QC, MC5000, MC5001, MC5002, MC5200, MC5500, MC5700, MC6000, MC6300P, MC6500P, MC6600P, MC7000, MC7500, MC7700QCP, MC8000, MC8100, MC9000, MC9500, MC9700, ME4014, ME4018, ME4123, ML3023, MO200, MOD-100, MOD-15, MOD-19, MOD-30, MS-3015, MS-5027, MyStyle100, NH2014, NQM2016 National Quilt Museum, S2015, S-3023, S-650, S-950, Schoolmate S-3015, Schoolmate S-750, Schoolmate S-7330, SD2014, Sew Precise, Sewist 500, Skyline S5, SL2022, SR2000, SR2100, SS2015, SW2018E, US2022
Pfaff Sewing Machine Models: Hobby 1122< Hobby 1132, Hobby 1142 

Also for most low shank 7mm sewing machines - Singer, Brother, Babylock, Toyota, Elna etc.