4" Black Rubber Spring-Loaded Gate Caster SKU# 21SR40GB8268YY-G2GRZZ $36.15 QTY Add to Cart Volume discounts are available for bulk or frequent orders. Contact Us. Specifications Weight Capacity 225 lbs. Wheel Diameter 4" Wheel Width 1-1/4" Wheel Material Rubber Jump to Full Product Specification Lead Time to Ship, Shipping & Returns Lead Time to Ship: 3-5 Business Days Ship Weight: 4.8 lbs 30 Day Returns Returned product is subject to a 30% restocking fee.