Drawing Boards- A3 Plastic Technical Drawing Board With Sliding Rule

Key FeaturesSliding Ruler / Straightedge: Moves up and down on a track and stays parallel at any position.Stop-and-Go Mechanism: Push-buttons on the rule let you lock or unlock it in place.Protractor & Set Square: Built-in or attachable angle guides for drawing triangles and precise degrees.Paper Clamps: Magnetic clips or corner clamps hold your paper securely on the board.Tilt Feet: Adjustable support legs on the back raise the board to a comfortable drawing angle