Anchor Kit Rack & Frame Installation Kits Chatsworth CPI P/N: 40604-xxx (Set of 4 pcs) for Concrete Floor # 40604-001 (3/8" x 3-1/2") # 40604-003 (5/8" x 3-3/4") Anchor Kit for Concrete Floor > Anchor x4 > Nut x4 > Washer x4 > Zinc Finish > Shipping Weight 1 lb