Precise Multi Angles Cutting adjustable angle track saw square with 11 precision positive angle stop can provides fast 60,45,30,22.5,15,90,-15,-22.5,-30,-45,60 angle miter cutting. Make your track saw be a miter saw. Also CNC machined guide rail square ensure a accurate 90 degree right angle square set up. Work Quickly and Easy to Use adjustable angle guide rail square with positive angle stop makes easy accurate angle setup.No need to scribe cutting line when cutting using track saw rail square guide.You can make accurate square and -60to 60 cutting faster and save more time.You can install the guide rail square both in the back and in front of the track saw rail. Compatible with Track Saw Rail of Various Brands adjustable angle track saw protractor compatible with various track saw rails. Just setup the angle, loose the brass nut and sliding the insert into track saw rail. Then lock the clamp and last tighten the brass nut and there is a accurate angle when cutting with track saw. Note: Not Compatible with some brands. Durable and Easy to Carry adjustable track saw square is a must-have tools for track saw. multi angle rail guide is made of high quality aluminum alloy ensure a long term use. Also the compact size is easy to use, carry and storage. Edge Support track saw 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. It also fits for track saw clamps for clamping.