Note: The color is according to the first picture,the quantity and size are according to the title,if the title is not clearly written,according to the . Our products Features: 1. Ruler is transparent plastic for easy drawing and viewing. 2. Double side measure in 1cm/1inches to 30cm/12inches. Or double size measure in 1cm to 30cm 3. Made of durable plastic,durable,not easy be broken,sturdy. 4. Easy to calibrate: the ruler with quality plastic head for easy calibrating 5. Utility tool: the transparent ruler with black markings is good for engineer,architect,student,draftman,artist,and so on Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Material: plastic Length: 30cm/12 includes: 1 x T-Square Ruler