Are these labels compatible with a Zebra GK420t Monochrome Desktop Direct Thermal/Thermal Transfer Label Printer?

Yes, the RL2079 meets the specifications for the Zebra GK420t. If using a ribbon, make sure to select the Thermal Transfer (TT) material. If not using a ribbon, select the Direct Thermal (DT).

Are these compatible with a Brother QL-720 printer?

The RL2079TW would not be compatible with Brother or DYMO printers. At this time we do not carry products compatible with Brother's thermal printers. If you have access to a DYMO printer or Zebra printer, please feel free to review the links below. For DYMO Printers: https://www.onlinelabels.com/dy-cross-ref.htm For Zebra Printers: https://www.onlinelabels.com/direct_thermal_labels.htm https://www.onlinelabels.com/thermal_transfer_labels.htm

Will these labels work for TSC TTP-345 printer?

The RL2079TT is a 3" x 0.5" thermal transfer label on a 1" core with a 4" outer diameter which meets the specifications of the TSC TTP-345.

Do you have this product RL2079 in polyerster 3" x 0.5

The RL2079 is available in Weatherproof Thermal Transfer (TW) and Weatherproof Direct Thermal (DW). Both of these are polyester-based materials.

Are these labels RoHS/REACH compliant?

Yes, our Standard White Direct Thermal (DT) material is RoHS/REACH compliant. You can view our compliance statement at the link below. https://www.onlinelabels.com/about/compliance/rohs

I have a ZT230 Zebra printer. Do you have the RL2079 with a 3"Core or something similar?

We do offer a 3" x 0.5" label on a 3" core at the link below. https://www.onlinelabels.com/products/rl2101

Are these labels compatible with Zebra ZT411

The RL2079TT is a 3" x 0.5" standard white thermal transfer label on a 1" core with a 4" outer diameter. Although the label size and material will work with the Zebra ZT411, you'll want to choose a 3" core roll for this printer. We've included a link below to our 3" x 0.5" label on a 3" core for your review: https://www.onlinelabels.com/products/rl2101tt

Do these labels compatible with Zebra GX420T?

The RL2079DT is a 3" x 0.5" direct thermal label on a 1" core with a 4" outer diameter which meets the size specifications for Zebra's GX420t. Just make sure that you select a thermal transfer material instead of direct thermal for your model since a thermal transfer ribbon is required.

Are these labels compatabile with Zebra printer Gx420d

The RL2079DT is a 3" x 0.5" direct thermal label on a 1" core with a 4" outer diameter which meets the specifications for the GX420d Zebra printer.

Will this work with a DYMO 1755120

Our RL2079DT is not DYMO compatible and is intended for Zebra brand models. For DYMO compatible labels, you can visit the link below. https://www.onlinelabels.com/comparable/dy-labels