Check the listing for details. Set of 5 Office Chair Caster Rubber Swivel Wheels Replacement Heavy Duty 3 inch. Color: Black & Clear, Condition: New. Listed at 18.99 USD. Description Effortless and Whisper-Quiet Rolling Stay focused on your task instead of distracted and annoyed by the squeaking and sticking of cheap plastic or metal office chair casters. Get rid of being tight down to your office chair mat. Unparalleled Durability: Get the Best Value for Every Penny You Invest High grade steel, precision ball bearings, and durable polyurethane chair casters were carefully chosen for a heavy duty and long lasting design. Buy these office chair wheels once and enjoy them for many years to come. (especially if used as chair casters for hardwood floor) Perfect for more than just the computer desk chair These Antique rubber chair casters Wheels provide a great upgrade on chairs for conference rooms, drafting, cubicle, reception, and executives. Or use these on stools that roll (saddle, tractor, etc.) in areas like dental, medical, salon, barber, even tattoo. PC video gamers will agree they are ideal wheels for office chairs. Features RELIABLE HEAVY DUTY CONSTRUCTION - Entire support bracket and internal parts are made of high grade steel, providing years effortless rolling and durability. The heavy duty design supports up to 650 lbs as a set of 5. RELIABLE CONSTRUCTION - frame, stem and wheel axle all made of high-grade steel. The casters are made of durable hard plastic with a shell of top-quality transparent polyurethane. EASY INSTALLATION - Just pull off the old casters from the chair base, with no need for any tools - and push the stem of your new office chair wheels into the socket, until the stem is firmly anchored. Specifications Type: Office Chair Caster (No marking, No noise) Color: Black+Clear Material: Polyurethane layer & Nylon body Wheel Diameter: 3 inch (75mm) Installing height: 4-1/4inch (108mm) Stem Diameter: 7/16 inch (11mm) Stem Height: 7/8 inch (22mm) Feature: Twin Wheel Quantity: 5-Pack Package included 5 x Office Chair Casters