4" CC Apex ESD Rigid Caster SKU# CCAPEX-ESD-425-R-EXP-STEM Configuration Select a Stem Size:* 3/4" (.720-.851 Inch Expanding Range) 7/8" (.852-.927 Inch Expanding Range) 1" (.928-1.029 Inch Expanding Range) 1-1/8" (1.030-1.140 Inch Expanding Range) 1-3/8" (1.360-1.425 Inch Expanding Range) 1-1/2" (1.426-1.589 Inch Expanding Range) 1-7/8" (1.790-1.850 Inch Expanding Range) $58.72 QTY Add to Cart Volume discounts are available for bulk or frequent orders. Contact Us. Specifications Weight Capacity 400 lbs. Wheel Diameter 4" Wheel Width 1-1/4" Wheel Material Polyurethane Core Material Aluminum Overall Height 5" Jump to Full Product Specification Lead Time to Ship, Shipping & Returns Lead Time to Ship: 3-5 Business Days Ship Weight: 2.1 lbs Brand: CC Apex ESD - Caster Connection 30 Day Returns Returned product is subject to a 30% restocking fee.