ITEM NAME:45 / 90 Degree Combination Square Angle Ruler Protractor Measuring Tools #gib Store Home Promotion Hot Item Add to Fav.Anti corrosion scale, transparent source. 1 X Combination Square Angle Ruler. -The body is made of high stainless steel without rust or deformation. Size: 33 15 2.5cm/12.99 5.91 0.98". Material: stainless steel + aluminum alloy.