1. The metal catches and solid ball bearing make the durable and strong drawer slides stay in your cabinet for lasting long time.2. As long as you take the time to get your measurements correct according to the directions, installation is a breeze. Length:22inch;Width:1.76inch; Thickness:1/2inch.3. Independently located ball bearing, double spring, and piston damper make the slide operate smooth and silent. No more slamming drawer.4. The black zinc plate matches the most color of the cabinet and is anti-corrosive and anti-rust.5.  Flexible install tab and release lever make the installation and adjustment easy. Product Description Hole Center 3 inch 1-3/16" Diameter single hole,3",5" 3 inch Length 5 inch 2",5",7-3/8" 5 inch Color Silver; Black Black; Nickel; Brushed Brass Black; Nickel Brushed Brass Black Blue Package 2,5,10 Pair (4,10,20 Pack) 5,10,15,20 Pack 10,20,30,40,60 Pack 5,10,15,25,30 Pack 5,10,15,20,25,30 Pack 1 Kit Total Length 4 inch 5 inch 1/2", 3/4", 1-1/4", 1-1/2" Overlay Full Overlay, Half Overlay, Insert 1/2" Overlay 3/8" Overlay Center to Center 2-1/2 inch 3 inch Face Frame Cabinets Frameless Cabinets Face Frame Cabinets Face Frame Cabinets Color Black; Nickel; Brushed Brass Black; Nickel; Brushed Brass Satin Nickel Satin Nickel Satin Nickel; Black Satin Nickel; Black Package 5.10.15.25.30 Pack 1.3.6.12.18.24.30.35.40.45.50.55.60 Pack 2,6,10,20,30,50,60 Pack 4,10,20,30,50,60 Pack 10,20,30,50,60 Pack 10,20,30,50,60 Pack