A4 Picture Drawing Board Cartographic Platform with Smooth Guide Rails Precise Marks Functional Design Auxiliary Tool This is a quality drawing board, made of robust board of unbreakable, non-warping material for durability. Lubricated guide rails for smooth parallel straightedge movement, with stop-and-go locking/unclocking mechanism. Rapidly set square and media markings designed for aiding in accuracy. Two clamp strips with central push button operation and corner clamp for easy fixing and checking the media alignment. You can have a try. Features: A complete set for drawing, with ergonomic design for easy and comfortable working. Robust board of unbreakable, non-warping material for durability. Lubricated guide rails for smooth parallel straightedge movement, with stop-and-go locking/unclocking mechanism. Rapidly set square and media markings designed for aiding in accuracy. Two clamp strips with central pushbutton operation and corner clamp for easy fixing and checking the media alignment. The "L" design enables you to draw along the upper-edge of the straight-edge with precisions, even at the very bottom of the drawing, no need to turn over the straight-edge. Equipped with grip and ink knobs, offers direct and indirect, measuring of distances and angles, drawing horizontal and vertical lines as well as hatching. Small drawing-head for angles between 0°and 90°. Perfect auxiliary tool for professional designer. Specifications: Name: A4 Drawing Board  Material: plastics Item size: 380 * 300 * 22mm / 14.96 * 11.81 * 0.87in Item weight: 528g / 1.16lb Package size: 490 * 310 * 30mm / 19.29 * 12.20 * 1.18in Package weight: 748g / 1.65lb Packing List: 1 * A4 Drawing Board