Extra heavy duty swivel rocker box, by Swivlon(R), is one of the highest quality and longest lasting swivels on today's market. The swivel is unique in that no steel balls that can rust or fall out are used. The swivel uses high tech polymer rings that have a true 360 degree contact of the two surfaces of the bearing as they turn against each other. There is no steel against steel or nylon against steel movement.
8" x 10" rocker plate.
Spring height 2 1/2" x diameter 1 1/2".
Strong and extemely durable
Smooth and Quiet
Made of high performance heavy gauge steel.
Spring to Spring 9" x 11 1/2", Weight: 9 lbs