Darcor General Purpose Caster, 2-1/2" (63.5 mm), 300 lbs. (136 kg.), Neoprene, Swivel, Steel (16-32.5-XSR)

General Purpose Caster1/2" rivet5/6" axleDouble row ball bearing swivel; both raceways equal diameterAll swivel parts case hardened to Rockwell 62CThread guards standard on 2 1/2" wheelsBright chrome finish; Excellent for:Computer cartsAirplane cartsSafes/cabinets; Plate size: 2 1/2" x 3 5/8"; Holes slotted for: 1 3/4" x 2 3/4" to 3"; Bolt hole size: 5/16";