Curved stainless steel compass 60 cm - COMPASYL600
VERY BIG CURVED STAINLESS STEEL CALIPERS 60 CM
Ref : COMPASYL600
Sturdy, stainless steel calipers for measuring lid sizes.
Potters use calipers to measure things, usually openings and galleries in lidded forms.
Calipers can be very helpful for potters and help get rid of the guesswork.