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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Measurements are available on both sides
ABOUT THE SIBLEY FIELD GUIDE TO BIRDS OF EASTERN NORTH AMERICA
Alors qu'elle parcourt le monde jusqu'aux frontières les plus pointues de la recherche
Measuring increments in 20g
enabling high catch efficiency when properly installed in high-traffic areas
Universal Wide Wing & Tail Ruler (15cm, 30cm, 60cm) vacutainer Measurements are available on bothOur 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).
