CNC machined guide rail square a accurate 90 degree right angle square set up all the time. You are to cutting with track saw fast and precision square. You can install the guide rail square both in the back and in front of the track saw rail. track saw square is a must-have tools for track saw. There is no need to scribe when cutting using track saw rail square guide. Just install the guide rail square with your track saw and you can make accurate square 90 degree cutting faster and save more time. Guide rail square compatible with for , for , for , for and for WEN track saw rail. Lock the clamp last and there is a accurate 90 degree when cutting with track saw. Note: Not Compatible with for and . right angle rail guide is made of high quality Metal a long term use. Also the compact size is easy to use, carry and storage. right angle rail guide includes a parallel edge support for more stable and precision cutting. It is more easy to use track saw accessories guide rail square with edge support. Name:Compact Guide Rail Square with Edge Support Colour:Black Material:Metal Package Contents: 1 * Compact Guide Rail Square with Edge Support Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.