Justrite Stainless Steel Joining Clip for connecting EcoPolyBlend Accumulation Centers allow you to increase sump capacity for accumulation centers by joining 4-drum and smaller units together. Use in applications that require a continuous sump. These tough stainless steel clip measures 4 in x 2 in (102 mm x 51 mm) and can be used in tandem with Justrite Sump-to-Sump Drain Kits to ensure pallets and accumulation centers are connected safely and securely. With a net weight of only 0.4 lb (0.2 kg), our joining clips allow you to easily create a scalable, modular network of spill control pallets and accumulation centers that you can increase or decrease depending on your spill containment needs.