Uxcell Carpentry Stainless Steel Straight Ruler Measurement Tool, 50cm/20" Product Name : Straight Ruler;Capacity : 50cm/ 20 inch Accuracy : 0 5mm or 1mm;Material : Stainless Steel Color : Black, Silver Tone;Total Size : 53 x 3cm/20.87" x 1.2" (LW) Weight: 101g Package Content : 1 x Straight Ruler