Drawer Back Track Socket - Support bracket for side mounted, steel ball bearing drawer glides, mounts at rear of cabinet. Socket depth allows for front to back adjustment of the rail. 1 left and and 1 right hand brackets with 2 sets of installation screws. - Track Width: 5/16", Track Height: 7/8", Socket Length: 3", Socket Width: 5/16", Mount: Side Mount, Material: Plastic, Color: White, Hardware Included: Yes, Pkg Qty: 2, Package Type: Card