Pneumatic caster set includes 2-swivel casters and 2-fixed casters. Featuring a centered steel hub with ball bearings and a 5/8 in. bore, it ensures durability and reliability, capable of handling various demanding applications with ease. The 10 in. pneumatic tire with ribbed tread design provides excellent traction and stability, making it suitable for both smooth indoor surfaces and rugged outdoor terrains, demonstrating its superior versatility and practicality. With a load capacity of up to 350 lbs. and a swivel plate, it offers reliable support and maneuverability for a range of low-speed manual applications, ensuring efficient and effective use. The caster plate has a center hole to center hole dimension of 3-1/8 in. x 2-3/4 in. making installation convenient and an ideal choice for you. The air-filled tire effectively absorbs shocks and reduces noise, providing a smooth and comfortable experience, especially suitable for applications where shock absorption is essential.