Caster Replacment

This is a verry pricise fit. Please scale 0-3% depending on metrial. It will reseist going on but you should here a pop and then the base should spin freely around. it should not fall off when correct right side up. Use M4 Screw and nut for axel . For berst results drill out hole wiht 5/32" or 4mm Drill Bit, (way better then just printed). SKP file is present but scalled up to 100x due to sketch up bs.