The cleansweepsupply.com product catalog, Dollies. http://www.cleansweepsupply.com/pages/subsection1224.html Precision engineered for quiet operation. Non-marking red casters to easily identify traditional dollies from quiet dollies. Eliminates 88% of traditional dolly noise across both smooth and uneven surfaces. Structural foam adds strength and durability. All-plastic construction resists rusting, chipping and denting. Twist lock feature secures containers to the dolly. Color(s): Black; Dolly Size: 18 1/4" dia. x 6 5/8; Capacity (Weight): 250 lbs.; For Use With: Brute 32-Gallon, 44-Gallon, and 55-Gallon Round Waste Containers. http://www.cleansweepsupply.com/pages/item-rcp264043bla.html RCP264043BLA 77.74 Rubbermaid Commercial new http://www.oppictures.com/singleimages/240/RCP264043BLA_1_1.JPG RCP264043BLA 10086876173205 Waste Containers Dollies 76 Easy twist-on/twist-off waste container mounting. 350-lb. load capacity. Swivel castes offer better mobility through the workspace. Heavy-duty 3" casters. Color(s): Black; Dolly Size: 18" dia. x 6 5/8; Capacity (Weight): 350 lbs.; For Use With: Brute 32-Gallon, 44-Gallon, and 55-Gallon Round Waste Containers. http://www.cleansweepsupply.com/pages/item-rcp264000bk.html RCP264000BK 58.68 Rubbermaid Commercial new http://www.oppictures.com/singleimages/240/RUB264000BK_1_1.JPG RCP264000BK 10086876156697 Waste Containers Dollies 349