Ward's® Fixed 90 ̊ Photo Rules
Forensics Educational Materials
Easy to Measure at Right Angles
- Easy to Read Photo Rules
- Both English and Metric Scales
Precisely measure objects in two dimensions with these one-sided, "L-shaped", durable plastic rules. The
English rule is 4" per side and is graduated in 1/16" increments; the metric rule is 11 cm per side and is
graduated in 1 mm increments.