uxcell Telescopic Ball Bearing Closet Drawer Slide Sliding Rail 300mm 2pcs Color: Silver Tone; Total Size: (Folded)300 x 27 x 10mm/12" x 1.1" x 0.4"(L*W*H) Material: Metal; Net Weight: 326g Package Content: 2 x Drawer Slide; Product Name: Drawer Slide Full Extended Length: 510mm/20"; Section Number: 2 Sections Mount Hole Size: 4mm/0.16",6 x 4mm/0.24" x 0.16"(L*W)