For anchoring lattice frame. 12.7 mm (1/2) diameter rod can swing in one plane 22 1/2 degrees in each direction and locked with two (2) 1/4 -20 hex
Stainless Steel Swivel Base Plate Assembly
Everbilt 1-5/8 in. Black Plastic and Steel Swivel Plate Caster
Stainless Steel Table Top Lattice Mounting Kit
L.T. Marine 12 Heavy Duty Swivel Rod Holders – L.T. Marine Products
Wheeleez™ Caster Assembly for 30cm PU wheel (Swivel Caster with
Linco 4 Heavy Duty Steel Swivel Caster Wheels
Fixed caster - 3842562057 - Bosch Rexroth - Assembly Technology
How to build a swivel seat base Chevy Astro and GMC Safari Forum
MySit 6.25 Heavy Duty Bar Stool Swivel Plate