SWIVEL PLATE CASTER;GREY POLYURETHANE WHEEL;[5" DIA] X [1-1/4 WIDE] PLATE MOUNT CASTER NO BRAKE;(3/8 AXLE),(3/8 BORE),(1-5/8 HUB WIDTH);TREADE TYPE-FLAT, BALL BEARING, 300 LBS;(PLATE SIZE 3-1/2 X 3-1/2 AND 2-5/8 X 2-5/8 HOLE CENTERS);(LOAD HEIGHT 6 5/32") (WHEEL ONLY #28-1313