


Click photo to see style with legs ![]()
Delux Features
8 large Steel (not plastic) ball bearings Prelubed raceway Small plate holing 5 3/4"± OC (7/8" slot) 3" high 1/4" Tilt 5 heavy Coil springs, not 3 or 4 Quality exceeds most original installed units An Industry first! 49 large Steel ball bearing Heavy Duty model Heavy Duty, same size and 5 coil springs as above #153A 8 Ball Bearing style. But with more ball bearings for smoother rolling, providing greater distribution of weight and will be longer lasting. Manufactured for Abacus swivel chair parts to our exact specifications to provide the very best rocker swivel box you can buy! It doesn't get any better than this or we would offer it.