Ball Transfer Unit; 2 Hole Round Flange; 19MM Ball Diameter; Steel Ball; Ball Up 55|Ball Down 22 Lbs Max Load; 61 MM Dia Flange Size; 22MM Base to Ball Height; 29.1MM Housing Diameter; 18.8MM Housing Height; Steel Housing

Ball Transfer Unit; 2 Hole Bottom Flange; 1" Ball Diameter; Steel Ball Material; 125 Lbs Max Load; 2.697 IN Flange Size; 1-3/16" Base to Ball Height; 1.636" Housing Diameter; 7/8" Housing Height; Steel Housing Material

Ball Transfer Unit; Stud; 25.4MM Ball Diameter; 48.3MM Base to Ball Height; 44.5MM Housing Diameter; 42.7MM Housing Height

Ball Transfer Unit; 4 Hole Square Top Flange; 25.4MM Ball Diameter; 76.2 X 76.2 MM Flange Size; 45MM Base to Ball Height; 50.8MM Housing Diameter; 38.9MM Housing Height

Ball Transfer Unit; 4 Hole Square Bottom Flange; 25.4MM Ball Diameter; 57.2 X 57.2 MM Flange Size; 41.4MM Base to Ball Height; 44.5MM Housing Diameter; 35.8MM Housing Height