DOP60-991 Snapper Throttle Control. Fits 26" and 30" rear engine riders series1, 2 & 3 with steering column mount, fits Briggs & Stratton engines, positive action control, no detents. Size: Conduit Size: 3/16", Conduit Length: 50", Innerwire :.060, Wire Travel: 1-5/8". Replaces # 1-1991.