Frylr A3 drawing measuring board or technical drafting table with a parallel motion which slides in a groove, locking into place with finger buttons at either end, convenient to use. The overall parallel drawing board is made of high-strength and tough material and durable. The a3 adjustable drawing board also as an ideal gift for students, designers. Function of Every Tool: - 180 degree protractor marked with equidistant lines for hatching Permanently lubricated guide track for smooth straight edge movement. - Parallel straightedge with STOP and GO locking/unlocking action, marked in centimeters on both edges End lock on straightedge for added stability. - 2 Clamps to hold the paper in place. - Set Square marked with a Protractor. - Ergonomic design for easy, comfortable working. Specifications: ?Material: High strength plastic ?Color: Transparent white ?Size: A3 ?Overall Dimensions: 19.7x14.4 inch (L x W) Package List: 2 x Anti Slip Support Legs 3 x Ruler 2 x Clamps 1 x Protractor 1 x drawing pen 1 x pencil lead 1 x Set square With this angle parallel drawing board, you can make professional drawings.