7-Inch Durable Heavy-Duty Anti-Static Nylon Caster Wheel Key Features Anti-Static Design: Reduces the risk of electrostatic discharge, protecting sensitive equipment. Heavy-Duty Capacity: Supports up to 250kg, suitable for heavy industrial applications. Durable Construction: Made from high-quality anti-static nylon for long-lasting performance. Smooth Movement: Equipped with double ball bearings for easy and quiet rolling. Versatile Mounting: Compatible with various equipment