Universal Wide Wing & Tail Ruler (15cm, 30cm, 60cm) vacutainer 700 max lumen with 147

700 max lumen with 147 yards throw

Alors qu'elle parcourt le monde jusqu'aux frontières les plus pointues de la recherche

Measuring increments in 20g

What we’ve learned of these key migrations―how billions of birds circumnavigate the globe

6 | ISBN 0393608905

Universal Wide Wing & Tail Ruler (15cm, 30cm, 60cm) vacutainer 700 max lumen with 147Our wing rules are made from sturdy stainless steel with a universal wide stop that extend past the width of the rule. All sizes are 1" wide, the stops are 1 1 2" wide. Rule is double sided with numbers in descending order on opposite to allow for tail measurements. Available in Small (15cm), Medium (30cm), and Large (60cm).