Keep tabs on your bobbins after dark with these Matrix Innovations Hot Head Isotopes. They simply glue straight into the slot on the Hot Head bodies, giving you a clear, glowing reference point for every drop-back and lift in the small hours.
- Direct fit for Matrix Innovations Hot Head bodies
- Glue neatly into the moulded slot
- Bright green night-time visibility
- Sized 23mm x 3mm