Caster; Rigid; 4" Wheel Diameter; 2" Tread Width; 900Lbs Carrying Capacity; 5.63" Overall Height

Caster; Fixed; Rigid; 100MM Wheel Diameter; 35MM Tread Width; 125Kg Carrying Capacity; 137MM Overall Height

Swivel Caster; 4"; Neoprene-Super Roll

Rigid Caster; 3"; Hard Rubber