Labels on 25.4 mm roll core are for these Label Printers:
Bixolon Samsung: SLP-D420, SLP-D423, SLP-DL410, SLP-DL413, SLP-DX420, SLP-DX423, SLP-T400, SLP-T403, SLP-TX400, SLP-TX403, SLP-TX420, SLP-TX423, SRP-770II
CAB: Mach1, Mach2
Citizen: CL-E300, CL-E321, CL-S300, CL-S321,CL-S521, CL-S621, CL-S631, CL-E720DT, CL-E720, CL-E730, CL-S6621, CL-S700DT, CL-S700, CL-S700R, CL-S703, CL-S703R, CLP-521, CLP-621
Datamax Honeywell: E-4204B Mark III, E-4205A Mark III, E-4206P Mark III, E-4206L Mark III, E-4304B Mark III, E-4305A Mark III, E-4305P Mark III, E-4305L Mark III, W1110
GoDEX: DT4x, EZ-1105, EZ-1305, G300, G330, G500, G530, RT700, RT730, RT860i
Intermec Honeywell: EC4, ECC4, IC4, ICC4, PC4, PC42D, PC42T, PC43D, PC43T, PF8
Labelident: BP4X, BP730, BP730i
Printronix: T600
Sato: CG408, CG412, CX400, CT408i, CT412i, CT424i, WS408, WS412
Toshiba Tec: B-EV4D, B-EV4T, B-FV4D, B-FV4T, B-SV4D, B-SV4T
TSC: DA200, DA210, DA220, DA300, DA310, DA320, TA210, TA310, TC200, TC210, TC300, TC310, TDP-244, TDP-247, TDP-345, TE200, TE210, TE300, TE310, TTP-244, TTP-245C, TTP-247, TTP-343C, TTP-345, TX200, TX300, TX600
Zebra: GC420D, GC420T, GK420D, GK420T, GT800, GX420D, GX420T, GX430T, LP2844, TLP2844, TLP3842, TLP3844, ZD220, ZD410, ZD420D, ZD420T, ZD420, ZD620D, ZD620T
tamper-proof labels, polyethylene/document foil, matte, coated, permanent 21 mm x 70 mm, 3 inch / 76,2 mm roll core, 2,000 labelsItem number: ERT-DW021X070Z3-2000