Description: You are buying a set of (4) brand new industrial casters. Two locking and two regular style. The wheels are 5" in diameter and 1 1/2" thick. The overall diameter of the shaft with rubber sleeve is 1 3/8" - With the round rubber sleeve taken off, the stem length measures 1 5/8" - These are made to last a long time. Not the cheap casters found in most magazines. Made for fully commercial/industrial purposes. Ships within 1 business day.