1. Aluminum straightedges are 45mm wide and 10.5mm thick. 0.001"-24", 0.002" -38" and0.003" -50".
2. Where extreme accuracy is needed, our solid steel bar has both edges precision ground flat to within 0.001" over the entire length. It is 24" long, 6mm thick and 38mm wide.
Different sizes:
steel: (SSE1)24" (38mm high,6mm wide),
aluminum:(ASE1)24" (ASE2)38" (ASE3)50" (all 45mm high,10.5mm wide).