4" Cast Iron Swivel Caster SKU# 4-81-139-7 Alt. SKU# — View Product Specifications Configuration Select a Brake:* No + 0 Side Lock + $3 Tech Lock + $8 Front Side Total Lock + $10 Back Side Total Lock + $10 Select a Bearing:* Roller Bearing + 0 Ball Bearing + $2 $40.63 QTY Add to Cart Volume discounts are available for bulk or frequent orders. Contact Us. Lead Time to Ship, Shipping & Returns Lead Time to Ship: 3-5 Business Days Ship Weight: 5.64 lbs 30 Day Returns Shipping and Returns