Aluminum Alloy Twelve-fold Ruler $ 26.55 Product category: aluminum alloy four-fold ruler Model: Twelve Fold Ruler Measuring range: Twelve folding ruler 16837 (mm) Accuracy: 1mm Scope of application: Twelve folding ruler 16837 Series: Twelve Folding Ruler Gauge type: Angle ruler Measurement accuracy: 1mm Material: aluminum alloy