CNC machined guide rail square ensure a accurate 90 degree right angle square set up all the time. You are able 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 cutting line 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 Festool, for Makita, for Milwaukee, for Powertec 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 Kreg and Milescraft. right angle rail guide is made of high quality Metal ensure 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