Specification of 1000LBS Swivel Trailer Jack Wheel Capacity: 500KGS (1000LBS) Travel: 260mm(10'') Main material: 48mm and 42mm round pipe Surface finish: Hot Dip Galvanizing Caster: solid poly caster, 50mm wide, Anti-UV Swivel: yes Mount bracket: swivel bracket with mulit-holes plate Suitable A frame size: 50mm/75mm/100mm Handle: on top Package: plastic bag and steel pallet Free sample of trailer jack wheel are avaliable. Customized design or size are acceptable.