uxcell 18-inch Long Full Extension Ball Bearing Silent Drawer Slide Rail 2pcs Product Name: Drawer Slide; Material: Cold Rolled Steel Weight: 1024g; Package Content: 2 x Drawer Slides Main Color: Black; Total Size(Folded): 450 x 42 x 12mm /18" x 1.7" x 0.47" (L*W*H) Full Extended Length: 90cm/ 35"; Section Number: 3 Sections Mount Hole Size: 10 x 5mm/ 0.4" x 0.2" (L*W)