Specifications:

• EDSAL Muscle Rack D Steel Post Coupling (4 Pack)
• Multiple Sets Available in BLACK & GREY
• Product Overview
• Add post connectors to your shelving units to make for easy assembly.   Post connectors allow easy assembly in just minutes
• Durable finish
• Made of durable steel
• Replaces original/missing connectors
• 4 in. H x 1.375 in. W x 1.375 in. D