The absolute distance measurement system based on optical frequency comb spectral interferometry, developed by the KRISS research team, combines the precision of national length standards with the ...

To measure your draw length, start with the formula above: wingspan in inches divided by 2.5. Now, here’s the good news: With many bows, that’s all you really need.

Klein Tools introduces the new TDR Cable Length Meter, a tester that provides accurate cable length measurements for a wide variety of cable types at an affordable price. TDR Cable Length Meter (Cat.

Measure across the ball of the foot with a ruler to determine width. You can measure the width of your foot with the same tracing you used to find your foot’s length.