MEASUREMENT:Length:15inch(381mm),inside cabinet length(min):416mm,inside cabinet length(max):436mm.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:1 pair(2 pieces) of 15inch undermount drawer slides,rear mounting brackets, 3D adjustable locking device, mounting screws, instructions for easy installation. LIFETIME WARRANTY:60-day money back guarantee.Any problems occur,please feel free to contact us first and we'll give you a best solution.