HOZAN Replacement Die Set BC5/16x26 (for Front Wheels) Compatible with C-406 and C-406-1

For reading drafting and scale drawings. Step-type scale for improved readability. This scale is frequently used in the architect's license exam. Full-digit scale for quick reading. High-precision laser-printed scale. Note: Length tolerances are based on an ambient temperature of 20°C. Country of Origin: Japan Scale (m): 1/20, 1/50, 1/100, 1/200, 1/250, 1/300 Length Tolerance 1 (mm): ±0.06 (50 or less) Length Tolerance 2 (mm): ±0.07 (over 50 and under 100) Length Tolerance 3 (mm): ±0.08 (over 100 and under 150), ±0.4 (over 150 and under 300)