Set of 2 ultra-smooth & quiet caster wheels, dual axle bearings & double ball bearing swivel * Double-lock brake mechanism prevents wheel roll or swivel, quick toe-step on/off * 3 x 1-1/4 in maroon polyurethane wheel, non-marking, high durability, great on carpet, tile, wood * Frame 0.10 in., platform 0.12 in. galvanized steel; 200 lb capacity each wheel, weight 30 oz ea. * 4-1/4 in. overall ht, platform 3-1/2 x 2-1/2 in, bolt pattern 72mm x 46mm, 5/16 in. bolts (not incl)