【SUPERIOR DURABILITY】: Our product features a 0.28-inch thickened polyurethane tread chemically bonded to a cast iron steel core. With a Durometer of 95 Shore A (±6), it resists chemicals, grease, and water, ensuring long-lasting durability and reliable equipment support. The non-marking polyurethane offers excellent floor protection and operates flawlessly within -40°F to +160°F, making it suitable for diverse environments and applications 【STABLE & SMOOTH】: Specifically crafted to attain the utmost stability and smoothness in both light-duty and heavy-duty applications. These industrial casters operate with minimal noise, high abrasion resistance, and extremely low resistance, the lightweight design enables easy pushing and considerable labor savings, allowing for effortless manipulation 【ULTIMATE TOUGHNESS】Each wheel bears up to 450 LBS. The frame is rigid and durable. It features double ball roller bearings and a non-marking tread to protect floors. it's super tough. A set of 4 offers 1800 LBS capacity. Ideal for industrial or storage use, they provide reliable mobility and strength 【VERSATILE BRAKE 】Our product features two types of brakes: Side Lock Brake and Total Lock Brake, along with a swivel total lock function that offers enhanced control. It is applicable in a broader range of scenarios, providing more options for those space-constrained settings 【CASTER SIZE】: Rubber caster wheel size: 4" X 1-1/4". Overall height of casters: 5.3". Top Plate Caster Dimensions: Length: 3-5/8", Width: 2-3/8". Hole Spacing: 2-3/4" x 1-3/4". This caster is very suitable for application scenarios such as carts, equipment cabinets, and repair workshops for light and heavy vehicles ASOMWLS - Performance for the Future.Our industrial wheelsets are a cut above the rest. Boasting a large load capacity ranging from 350 to 2200 pounds, they are crafted from high-quality materials and advanced technology. The reinforced steel frame, sturdy reinforcement plates, and bushing bearing ensure exceptional durability and stability.The wheels feature solid polyurethane for non-slip and waterproof performance. With bushing bearing, they glide smoothly and are ultra quiet, protecting the floor. The stainless steel bracket offers higher hardness and greater toughness.Available in three sizes, our brackets are rustproof and can withstand chemicals, greases, and more. Various bracket combinations are offered for multiple scenarios and free combinations.Our wheelsets are labor-saving with ergonomics that reduce force by >40%, minimizing strain and boosting efficiency. The all-round swivel base increases efficiency.At ASOMWLS, we are committed to innovation, constantly striving to meet your expectations. Choose our wheelsets for outstanding performance, superior load capacity, and exceptional durability. Let them be your helper for an efficient and stable future. Innovation never stops for a better experience.