The Sling Blade launcher arm provides 1.5? of adjustment forward or back for torque tuning and comes engineered at a 38 degree angle when set in line with the rest itself. Fits any previous Freakshow arrow rest model.Features:Adjusts 1.5 in. forward or back;Engineered at a 38 degree angle when set in line with the rest of itself;Fits any previous Freakshow arrow rest model