1、High Quality-Made of high quality acrylic, lightweight, durable, stable. 2、Fix the Paper-With the paper clamp on both edges, it can quickly fix the paper in the right place and keep the drawing process more accurate and stable. It has two non-slip support legs, which can raise the height of the board and provide you a comfortable drawing process. 3、Widely Usage-It can be widely used for mechanical drawing, art creating, mechanical drawing, and etc. Features: High Quality-Made of high quality acrylic, lightweight, durable, stable. Fix the Paper-With the paper clamp on both edges, it can quickly fix the paper in the right place and keep the drawing process more accurate and stable. It has two non-slip support legs, which can raise the height of the board and provide you a comfortable drawing process. Widely Usage-It can be widely used for mechanical drawing, art creating, mechanical drawing, and etc. Meet You Different Needs-All parts can be knocked down easily. You can move the parallel motion on the groove and lock it at the place as you need. If you have other question,please connect us in time,we will give you satisfactory reply. Specifications: Color: White Material: Acrylic Weight: 1649g Packing List: 1×Set Square 2×Clamps 1×Protractor 2×Anti Slip Support Legs 1×Sliding Ruler 1×Set Square 2×Clamps 1×Protractor 2×Anti Slip Support Legs 1×Sliding Ruler