6 Pairs of 21 Inch Undermount Soft Close Drawer Slides Full Extension Concealed Drawer Rails with Mounting Screws,3D Locking Device and Brackets

{"about_product": ["MEASUREMENT:Length:21inch(533mm),inside cabinet length(min):568mm,inside cabinet length(max):588mm.Load Capacity: 85LB.Note: These drawer slides are to be used with 1/2\" or 5/8\" thick drawer box material. (not recommended for 3/4 inch material.)", "SOFT CLOSE FUNCTION:Creating less noise when it's opened and closed,providing your family a silent home.", "HIGH QUALITY:Full extension.Heavy-duty construction.Made from thickened cold rolled steel with a zinc plated finish.Durable for use.", "PACKAGE CONTENT:6 pair(12 pieces) of 21inch undermount drawer slides,rear mounting brackets, 3D adjustable locking device, mounting screws, instructions for easy installation.", "LIFETIME SERVICE:Any problems occur,please feel free to let us know first and we'll give you a best solution."], "product_description": null, "product_information": {"ASIN": "B097PGX7X8", "Size": "21inch", "Finish": "Steel", "Item Weight": "38.6 pounds", "Part Number": "DT-BE-21-6", "Manufacturer": "Betesy Hardware", "Weight Limit": "85 Pounds", "Mounting Type": "Under Mount", "Number of Items": "12", "Best Sellers Rank": "#58,767 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #112 in Cabinet & Furniture Drawer Slides", "Item model number": "DT-BE-21-6", "Product Dimensions": "21 x 0.5 x 0.5 inches", "Batteries Included?": "No", "Batteries Required?": "No", "Date First Available": "June 22, 2021", "Maximum Weight Capacity": "85 Pounds"}, "product_details": {"Brand": "Betesy Hardware", "Color": "6 Pairs", "Material": "Alloy Steel", "Finish Type": "Steel", "Product Dimensions": "21"L x 0.5"W x 0.5"Th"}}