The Middle Atlantic Rack Ruler
The Rack Ruler is a 16' tape measure that also includes markings for rack spaces
On the bottom of the tape we have included every formula you could ever need. It's like a cheat sheet!
Ohm's Law
Cable Bend Radius
Fraction to Decimal conversions
Includes a belt clip and nylon strap to keep it close
In addition to the thumb lock there is also a quick-hold button on the bottom