------Ergonomically designed for A3 tabletop drawing board, comes with 2 parallel rulers and 2 corner clips, quick paper release is adjustable on two sides to secure all around.------Sturdy material for durability. Ergonomic design for easy, comfortable work.------It features its easy and comfortable working position, makes the drawing process more accurate and stable.------Parallel ruler with stop and go lock/unlock, marked in centimeters on both edges.------Head-lock mechanism for ruler and free-swing setting. Square lot is marked with a protractor.------Package Contents: 1 x Multifunctional A3 Drawing Board.------Features:1. Ergonomically designed for A3 tabletop drawing board.2. The design system rule allows drawing along the top edge of the right to the bottom right edge of the sheet, with precision and stability.3. Drafting head-lock mechanism for rule and free-swing setting.4. Comes with two parallel rulers and 2 corner clips.5. Quick Release clamping system on both edges to secure it all around.6. It makes the drawing process more accurate and stable.7. It has an easy and comfortable working position.8. Made of high impact plastic, lightweight and durable.9. approx. Size: 51cm x 36.5cm/20.5 x 14.5inch.