Beam Compass economically priced but very accurate, made of aluminium.
With graduation in cm/mm/and inches. Each with pencil, pen and needle part, lead box.
In plastic wallets.
Ref. 38360 with 50 cm bar, working range up to 980 mm Ø
Ref. 38370 with 75 cm bar, working range up to 1460 mm Ø
Ref. 38380 with 96,5 cm bar, working range up to 1900 mm Ø