Product Details Show:The fifth Generation! TOP QUALITY extra-thick three-section soft shut ball bearing drawer slides.Made of fantastic cold-rolled steel, with extra-thick cold-rolled metal plates(thickness of every section of metallic plate: 1.2mm / 1.2mm / 1.5mm), 45KGs loading capacity.Super smooth&quiet operation; with first class brass hydraulic damping--excellent gentle close function; Quick Release Mechanism by means of urgent lever to separate the slides for set up or for elimination of the drawer.SGS certified durable product:1. Certified 80'000 cycles under a load of 37KGs = 10-year guarantee!2. ISO 9227-2012 Corrosion Tests in Artificial Atmospheres--Salt Spray Test: Grade 8, meaning it's going to now not rust or corrode.(see SGS test record below) Version: 35CM (14"), extended length: 33cm--almost full extension. Width: 45mm; Thickness of every piece: 12.5mm, total thickness: 25mm (1 pair).Package includes one pair of drawer slide as described with mounting screws