New 18 Ergonomic Precision Casters, designed for easily moved & quiet.  Sealed precision swivel bearing is maintenance free and significantly reduces push / pull force.

Features:
-Top Plate & Yoke Base: Cold formed from 1/4" Steel Plate.  Yoke base is notched for factory or field-installable 4-position swivel lock
-Swivel Section:  Precision sealed ball bearing eliminates need for routine maintenance
-Legs:  1/4" steel, formed to increase strength and welded on inside & outside of yoke base
-Axle:  1/2" diameter solid axle with lock nut
-Maintenance Free:  Lubrication unnecessary with maintenance free swivel section and wheel bearing design
-Finish:  All parts, except wheel are zinc plated