Fiber-Tip Solvent Based Pen (4-pack, black)
Fiber tip pens with solvent-based permanent ink developed for marking on a wide range of challenging substrates like mylar and vinyl.
Black solvent-based permanent ink. The pen offers quick setup and plot across a wide range of materials.
Summa F Series
Summa S Class 2 D Series
Summa S Class D Series
SummaSign/SummaSign Pro D Series
I haven't actually used these pens yet & am a little concerned about them being solvent-based. But I was SO relieved to find them because they cost less than the ones I originally saw & they look like they'll work fine!