This is a flexible ruler which is ideal for measuring curves. This ruler is 20 in length or 50 cm in length. One side of the ruler is metric and the
Staedtler-Mars Engineer triangular scale, passed down to me from
China Scale Ruler, Scale Ruler Wholesale, Manufacturers, Price
FRKB White Flexible Plastic Ruler,12 Inch Standard
RS PRO 300mm Steel Imperial, Metric Ruler
Shinwa Rules
Pattern Drafting - Porcelynne Lingerie Supplies
30CM Stainless Steel Straight Metal Ruler Measurement Double Side
SS Flexible Scale Ruler
Westcott - Westcott 18 6-Inch Flexible Metric Ruler (18)
Ruler 50 cm BGS – Motorcycle and scooter workshop equipment
Victor Easy Read Stainless Steel Ruler, Standard/Metric, 18, Blue