Measuring into a stair tread or cabinet opening from the back

Finish Carpentry
Stairs
Cabinets & Millwork

Finish work is full of openings with a closed end: a tread against a skirt, a cabinet carcass, a reveal you cannot get a hook into. Hooking one side and eyeballing the other is how a riser ends up with a shadow line. The T1R Range measures from the back of the body, so the tool butts into the closed end and the reading comes off the end you can see. Each figure is saved, so a flight or a run of boxes goes to the saw as a list.

How a closed end gets measured

Treads and carcasses have a closed end
Butt the T1R body into it, no hook
Read off the end you can actually see
T1R Range saves each one as taken
A flight becomes a list, not a guess

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The tool is turned over in hand to show the flip-out foot on its back, then used on a staircase, the body set against a tread and the blade run out along it. The display reads six and three-quarters, then seventeen, then into the twenties as a cabinet opening is measured. The hook is never used on either.