Products Conveyors Gravity Frames & Rigid Supports Gravity Rollers Gravity & Powered Conveyors – Modular Wheel Track & Ball Transfer Units Wheel Conveyors Powered Conveyors Handling Equipment Drum Handling & Hand Trucks Self-Dumping Hoppers & Tote Trolleys Pneumatic 4-inch Steel Rim 6-inch Steel Rim 8-inch Steel Rim Stud Pattern Steel Rim Technical Reference How to Select Wheels & Castors Load Capacity, Bearings, Durability, Temperature Automotive