Divider 18" Deep 10 Pack: 18-1/8"L X 3"HWestcan manufactures this 18 Shelf Divider. Constructed using 0. 100 smooth aluminum and manufactured using CNC technology to ensure a quality product. They are sold in packages of ten and are installed into the prepunched holes in the shelf deck. They are great for separating parts and components. Installation hardware is included. Depending on level of trim on your vehicle, modifications may be required. OEM Numbers 33 1018 Specifications Length: 19