This Bespoke adjustable ruler allows you to measure between doorways, stairs, winders and alike. Ruler measures from 550mm - 950mm. Measurement scale. (angle guides are sold separately as a pair). Also allows you to scribe circles. Ruler made from Stainless steel. Thumb screws made from Alloy.
It's my own design for a ruler yo can use to cut straight in doorways with a few extra twists to it. Circle cutter, template stairs and risers with it, measure.