Using a wheel to measure distance on the ground is nothing new, but using a rolling device to measure distance on a wall seems a little strange at first. Why do we need another method when we already have steel tapes, lasers, and sonics? Straight-Line claims their rolling tape keeps the surface clean of marks, calculates total linear feet and evenly spaced points, and eliminates the clumsy steel tape.
Roll the rolling tape along the wall from corner to corner and it gives you a measurement accurate to 1/16″ in 10′. Run it along the rest of the walls in a room and it gives you the perimeter. With the keypad you can choose the number of points you want evenly spaced, and as you roll the tape backwards the device lets you know when you’re at the correct position. This last feature comes in handy when you want to space pictures equally along a wall.
Manufactured in China, the rolling tape requires three AAA batteries which last for 30 hours of continuous use. There’s no off button, but it turns off after two minutes of inactivity. The rolling tape reads out in 1/8″ increments up to 328′.
The price for Straight-Line’s rolling tape ranges widely. One site is selling it for $7 while another sells it for $47. Amazon sells it for $22 right now — a smart Toolmonger wouldn’t pay much more.