This Weird Tool Will Change How You Measure Diameter Forever - YouTube
Diameter tape - Wikipedia
Perfect Pi Diameter Circumference Tape Measure - Imperial and Metric Tape Measure 1/2-inch by 12ft / 3.5m - Use for Measuring Cylindrical Objects - (Pipe Tape, Tree Tape) Model DCT120 - Amazon.com
Diameter 66 | Measuring Tapes | meterex
Meterex Diaflex Diameter Tape Measure with Flexible Steel Blade and Plastic Case, Dual Reading in CM and Inches with 2m Range and Blank Space Before Zero - Measure Diameter of Trees and
Lufkin 6.56 ft. (6mm x 2m) Executive Diameter Pocket Tape Measure W606PM - The Home Depot
Forestry Suppliers Steel Diameter Tapes - BIOWEB Global