[Durable] The drawing board is made of high-quality and high-strength acrylic. The drawing board is light in weight, exquisite in workmanship, powerful in function, rich in accessories, and the picture is very stable and strong, suitable for any design project. [Equipped with adjustable drawing parallel ruler] can accurately guide your drawing. Put the ruler gently into the groove, hold the ruler with one hand and move it up and down. The two red-brown bottoms on both sides can firmly fix the ruler on the drawing board. [The drawing board is equipped with two small tripods] can provide a comfortable drawing angle. The shorter bracket is used to support the drawing board. The inclination angle of the drawing board is 8 degrees. The longer bracket is used to support the drawing board and the inclination of the drawing board. This is 11 degrees. You can also remove the bracket and use the drawing board alone. [Easy to use] Two-track design for smooth movement, T-shaped ruler with a small tunnel, which can be moved with a triangle or square and draw lines on it, with buckles, which can be fixed at any time according to a certain ratio. There are small buttons on both sides to control the left and right edges. The opening and closing are convenient for fixing the paper jam. [Suitable] Very suitable for students, engineers, artists, and architects. Ergonomic design, easy and comfortable to work, packing list: triangle ruler, 2x clamp, 1x protractor, 2 non-slip support legs, 1x sliding ruler, 1x drawing pencil, and lead core. Description: Features: PRO Quality Material: Acrylic Colour: Transparent+White Size: 51 x 37 cm/20 x 14.6''LxW Package Size:56 x 39 x 6 cm/ 22 x 15.4 x 2.4''(LxWxH) G.W/N.W:20/18KGS Packing lIncluded: 1 x A3 Drawing Board