Features: 1.Made of high quality material strong enough for durable use. 2.They are so easy to clamp and strong enough to not flex and very reasonably light and easy to work. 3.It'll be a breeze to create the precision 90 angled woodwork Both the inside and outside edges of these positioning squares tools can serve as exacting measuring guides. 4.You'll have exactly what you need to create perfectly square boxes drawers cabinets frames furniture cabinets etc. Some woodworkers even find it useful to incorporate them into their jigs and fixtures. 5.If you have any question you can contact us.We will try our best to help you. Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different monitor and light effect Description: Material:ABS Size:as shown includes: 2/4 SET X Woodworking Carpenter Tool "