This tire swivel has 3 prongs to prevent the chains from tangling. Our extra heavy duty commercial tire swivel has a top plate for added strength and a rubber boot to prevent finger pinching. For use with a wood beam. The four 7/16” holes are 3.5” center to center. The plate is a 5.5” square and the entire swivel is 9” long.
Dimensions: 5.5” Sq., Entire Swivel is 9” L, Four 7/16” Holes (3.5” Center to Center)
National Test Lab Results: 5000 lbs.