Product Description Description: 0-180 Degree Universal Bevel Protractor Angle Ruler Combination Square Set Specification: Material: Stainless Steel DIY Supplies: ElectricalMeasurement ruler size:12in/300mm Accuracy: 0.01mm Measurement Range: 0-180 degree Color: Green Combination Set complete with square head, centre head, reversible protractor head and blade. Satin Chromed Finished Rule, Stainless Steel Hardened Heads, Graduated frontside 1/2mm and 1/32nd, Reverse Side