Model Number:HK-0712 DIY Supplies:Woodworking Origin:Mainland China Type:Triangle Ruler Material:Aluminum Alloy Size:7''/12'' Thickness:4.0mm/4.2mm Style:Metric/Inch Length:185*260mm/300*430mm Weight:200g/500g Quantity:1pc Color:Black/Silver Calibration:Stamping Scale Condition:Brand New Discount:5% when you buy 2pcs 7''/12" Aluminum Alloy Ruler Made of aluminum alloy, which has high hardness, durable and rust proof. 7'' Triangle Ruler Size Using laser lettering, scale clear wear . 12" Triangle Ruler Size Ruler black process, corrosion resistance . Application Great tool for carpenter, construction professional, roofer, DIY and more.