Fixed 90° for perfectly square cuts. For use with the Triton Track Saw TTS1400. Can be used with DeWalt, Festool and Makita tracks. Mitre needs 140mm (5 1/2″) of track length with or without work clamp. Fixed 90° for perfectly square cuts. For use with the Triton Track Saw TTS1400. Can be used with DeWalt, Festool and Makita tracks. Mitre needs 140mm (5 1/2″) of track length with or without work clamp.