The Lyman Trius One Step has become a very popular seller. Whether you enjoy shooting alone or with a group, the Trius One Step is almost effortless to use. Arm is set and targets are placed on arm without tension. Step on pedal to put tension on the arm and release targets in one motion. Aluminum arm plus oil impregnated bushings deliver years of trouble-free shooting. Throw regulation singles plus piggyback doubles. High Angle Target Clip Included! Large knobs for adjusting tension and vertical angle make the Trius One Step trap fully adjustable without tools.