Purfling

Fiber is very black, flexible and strong
Maple is either natural light, or stained black
Pearwood is naturally tan-pink

3/6/3 refers to outer fillets of 0.3mm and inner fillet of 0.6mm.

Price represents a set of 3 pieces, sufficient for one violin or viola.
Price represents a set of 7 pieces, sufficient for one cello.
Price represents a set of 10 pieces, sufficient for one double bass.