SkateGuide II for Circular Saws Rolling Saw Guide Saves Time, Material and Labor Faster, Straighter and Cleaner Compatible with Skateplate, Skil mag 77, Skil HD77, Bosch 1677MD Makita Hypoid, 5477NB (*M6), 5377MG (*M6), DeWalt, DWS535 (*1/4")