This 4-inch by 3.25-inch Nytec-MD Caster Wheel are engineered with a specialized Nytec-MD material that combines nylon strength and metal detectability. These wheels offer exceptional durability and enhanced safety in a variety of environments where they excel at dispelling foreign object debris (FOD). Designed for industrial environments, they provide high load-bearing capacity, wear resistance, and reliability. The unique metal detectability feature ensures compliance and a safe working environment by enabling easy detection and removal of wheel fragments. Combining the impressive Nytec material with its precision tapered ball bearings, make this wheel excellent for handling high speed and thrust loading in environments where contaminants must be avoided such as a clean room. These wheels can carry up to 3120 lbs.