A tool for driving a shaft a shaft within an apertured member, the tool incorporating a segmented sleeve having upper, lower, and medial segments, each segment having upper and lower ends, a hollow bore of the lower segment being helically threaded; a shaft biasing screw mounted within the lower segment's hollow bore, upper and lower joints, the upper joint connecting the upper end of the screw with the upper segment, and the lower joint connecting the medial segment with the lower segment; a first gear component attached to the upper segment; a support frame attached to the medial segment; a second gear component mounted rotatably upon the support frame, the second gear component being positioned for rotating the first gear component; a rotary power input stem fixedly attached to the second gear component; and a clamp or hook arms adapted for positioning the apertured member beneath the screw's shaft biasing lower end.