I used this rule to draw lines (0.5mm pencil) to match the apron of my already installed staircase. For this purpose it worked great.
Laser pointer Green Laser 303
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Laser level Zitrek LL1V1H
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Cullaby Contour Gauge: 10 & 5 Inch Duplications For Perfect Templates Of Curved And Odd Shapes, Plus Bonus Angle Ruler & Carpenter Pen!
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