An expander style, heavy duty, precision machined PULLER with tool steel pulling plates to fit in minimum clearance jobs with at least 1/4" space between parts to be separated. Designed for G scale and similar, but can handle larger and smaller scales as well. Replacement parts available when those extremely tight parts break or bend a tool part. For disassembly of USA TRAINS, ARISTO, etc. wheelsets when installing upgrade NWSL 1/2 axle wheels. Capacity: axles/shafts to 1/4"; gears hub up to .400"; maximum press depth: 1.5". Includes: allen wrench; base plate; pulling plate; 3/32" tip puller screws(2); operating suggestions (wheelset NOT included).