4" Polyolefin Rigid Caster SKU# 4-37-513-STEM4 $15.10 QTY Add to Cart Volume discounts are available for bulk or frequent orders. Contact Us. Specifications Weight Capacity 250 lbs. Wheel Diameter 4" Wheel Width 1-1/4" Wheel Material Polyolefin Overall Height 5" Jump to Full Product Specification Lead Time to Ship, Shipping & Returns Lead Time to Ship: 3-5 Business Days Ship Weight: 1.5 lbs 30 Day Returns Returned product is subject to a 30% restocking fee.