Whether you’re measuring for diameter at breast height or length of log for the lumber mill, SherrillTree has the double-sided (straight and diameter) tape for you. Choose from our top-of-the-line belt side or pocket models, down to our “get-the-job-done” series–whatever suits the budget. The Diameter Pro measuring tape allows you to convert circumference to diameter. The Diameter Pro is a double side print tape measure. The top read scale is in feet, inches, and 16ths. The bottom read scale shows the diameter measurement in terms of 10ths and 16ths. Diameter Tape Measure Economy 3/8 x 12'