Heavy Duty Whalen Post Insert for Steel Shelving at Costco and SAMS Club

Made in USA

Support a local business and buy directly from the manufacturer. Our products are proudly made in the USA.

Post Insert Corner Connectors

Replacement post inserts designed specifically for your 5-Shelf Storage Rack. These connectors seamlessly join the bottom and top halves of the rack.

Better than the Originals

Our post inserts have been improved through years of customer feedback and design iterations. They outperform other options on the market. You’ll notice a satisfying “click” sound that confirms secure installation.

Perfect Fit

Crafted with precision, our connectors ensure a flawless fit for your shelving unit every time. The ridged edges provide a tight grip, reducing the risk of loss.

High Quality Materials

Built from high-grade, impact-resistant plastic, these connectors are designed for durability and long-term use.

Compatibility

These post inserts are compatible with the following brands: Costco, Sams-Club, Whalen, Gorilla Rack, Member’s Mark, Muscle Rack, Canadian Tire Mastercraft, Armadillo, and Sandusky Lee. Not suitable for Edsal, Raybee, REBII, or Siavonce models.

Dimensions

Each connector measures 1 11/32 inches (40 millimeters) per side.