Each Knobonly slide is manufactured from premium grade metals and combines modern technology and expert craftsmanship in perfect harmony Quality and Durability: the product you have purchased, has passed rigorous quality measures and meets our highest mechanical performance levels FREE LIFETIME WARRANTY & HIGH QUALITY STAINLESS STEEL CONSTRUCTION&CHIC DESIGN Knobonly specialize in a variety of door handles and knobs, cabinet pulls, kitchen cupboard handles, door hinges, cabinet hinges, drawer slides etc. in satin nickel finish. If there is any QUALITY problem, please feel free to contact us. Product information: ★Material&Finish: Made from high-grade cold rolled steel, zinc plated, steel construction ball bearing full extension slides are rated for heavy-duty use(loads up to 100 lbs) ★Size INFO: 12”/14”/16”/18”/20”/22” ★Package Include: Selected Slides, 12 screws(per one pair) and installation instruction ★Usage: These slides are compatible with most major drawer and cabinet types and are ideal for new construction, remodeling and replacement projects ★Features: Steel ball-bearing action slides that are ensure smooth and quiet performance, featuring soft-close functionality to close any drawer softly and silently ★Warranty: Refund or replacement for quality problem, please feel free to contact us if you have you any question with your order, we will solve it in 24 hours These items are designed for US Market to ensure the highest quality for drawer or cabinet hardware.