Lufkin 1/4 in. x 6 ft. Executive Diameter Engineer's Tape Measure W606PD - The Home Depot
Cescorf Anthropometric Body Tape Measure – NutriActiva
ProCarpenter Easy Half Tape Measure - FastCap
Pi Tape Measure, Outside Diameter Measurement - Gilson Co.
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
Lufkin 1/4 in. x 6 ft. Executive Diameter Pocket Tape Measure W606P - The Home Depot
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