10 1/4" square
Square carriage bolt holes at 8" apart
Large heavy duty Flat Swivel
Memory Return model
Pre lubed 65 steel Ball bearings
No Nylon race that can break. it"s all ball bearings.
12 gauge steel plates-turned edges are stronger.
Painted Black 7/8" thick
500 lb. load
10 1/4"sq Large Black Swivel - Flat
65 steel Ball bearings
12 gauge steel plates-turned edges