The screw on the precision puller exerts controlled pressure to force tiny wheels, gears and clock hands away from the post without damaging. Absolutely essential for repairing or modifying model railroad rolling stock, clock repair and slot car motor gear removal.
Overall height of screw and post: 1-1/4\" (31.75mm). Post is 7/16\" (11.11mm) diameter. Jaw frame is 1\" (25.4mm)wide, stationary with 1/8\" (3.17mm) opening.