Measure around the curve
Highly flexible rule for measuring and marking curved surfaces and small angles, e.g. when turning, in model construction, boat building etc.

Precision Rules
Highly wear-resistant rule made of hardchrome-plated stainless steel. Hardened with milled edges. Matte finish and deep-etched mm scale. Thickness 0.2 mm, Width 13 mm. Made in Japan.

BVS comment: This is the small ruler we use most in our workshop.