Shop Total Lock Casters with Hard Rubber Wheels. These Total Locking Plate Casters come with double ball raceways for increased strength and maneuverability, cold-rolled heavy-duty gauge steel frame, and plated with a zinc finish for increased resistance to rust and corrosion. This is a high-quality caster made to last. The Top Plate we offer on this is an industry-standard 2-3/8" x 3-5/8" overall size. The Wheels are Hard Rubber wheels. They will not leave streaks as long as they can freely roll and swivel. Hard Rubber Wheels are black and have a Durometer/Hardness of 55 Shore D (+/-5). The temperature range of Hard Rubber Wheels ranges from 160°F to -40°F and has a maximum weight capacity of 325 lbs per wheel, depending on the size ordered. Hard rubber wheels have high impact resistance, but casters and wheels should never be dropped from any height, especially while under load. The wheels have a solid one-piece design with a nylon sleeve. These wheels are reliable and affordable and great combined with this total locking swivel bracket giving you a fantastic total locking caster meant for various applications and industries.