12 Inch Pneumatic Caster Wheels 4PCS - Swivel & Rigid - 5/8" Bore - 300lbs Capacity

【Durable Construction】: Features a robust steel hub with ball bearings; designed for long-lasting performance and reliability; 5/8-inch bore centered axle ensures a secure fit and easy installation 【High Load Capacity】: Supports up to 300 pounds per caster; ideal for carts, wagons, and other equipment needing dependable support; designed for low-speed manual applications; plate dimensions are 3 1/8" x 2 3/4" 【Pneumatic Tire Design】: Equipped with 12-inch pneumatic tires (3.50-6); provides a cushioned ride; absorbs shocks and reduces noise; suitable for both indoor and outdoor use; enhances user comfort 【Swivel & Rigid Combination】: Includes 2 swivel casters for enhanced maneuverability and 2 rigid casters for directional stability; versatile set accommodates various applications and terrains; optimized for smooth operation 【Enhanced Traction & Grip】: Ribbed tire tread delivers excellent traction on smooth or rough surfaces; ensures stable and secure movement; suitable for a wide range of environments; provides reliable control