Penn Elcom - A5250 - Surface-mount Castor - 50mm Penn Elcom Sale! from 1912 /per Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. 50mm Fixed Castor fits to edge of case.Recommended Load Capacity per Wheel: 25kg Part No. A5250 Material Plastic Diameter 50mm Qty available:6 SKU:A5250 Castors - Corner Mount