24" Aluminum Ruler Straight Edge Non-Magnetic Two-foot ruler for drafting, drawing, plans, arts & crafts 18-gauge extruded aluminum is flexible but won't kink, doesn't splinter or cut like wood rulers Easy to read high-contrast markings & numbers, 24 inches / 60 centimeters One side marked SAE fractional inches by 1/32 & 1/16" (bottom) plus decimal by 1/20th & 1/10th (top) Other side marked metric by 0.5mm (top) and 1.0mm (bottom); hanging hole for easy storage