Custom sized: To specify width, see "Product Options", above. SPECIFICATIONS: Pull Out Printer Sliding Shelves are 22” long front-to-back. Custom lengths are available in 2-inch increments starting with 12" (12", 14", 16", etc.) at no additional charge. The Shelf is 3/4" thick Furniture Grade Paintable Birch or Native Birch, Oak, or Maple, edge banded so the plywood edges do not show. USE THiS Pull Out Printer Shelf to make using your printer convenient, while able to push it back in place when not in use. CONSTRUCTION: The shelf is 3/4” plywood, edge banded on all 4 sides. The 3/4-extension glides (22" standard) allow your Sliding Shelf to pull out about 16-1/2". With the Full-Extension option your High-Back Sliding Shelf will pull out the full length of the glide, or in the case of the standard length, 22". The hidden glides are not available for the Pull Out Printer Shelf. Our Glides have been tested through 100,000 open/close cycles , are rated at 100# load (75# dynamic), and have a limited lifetime warrantee. READY FOR FINISHING: Sliding Shelves are Hand Sanded, ready for staining or painting. To see how each wood type will finish, go to woodselection .