Durable Phenolic blade keeps parallel by gliding up and down on guide wires. Nylon bearings under straightedge assure smooth running action. Features include an elevated acrylic inking edge for smudge-free results, a twin braking system to lock straightedge securely in any position, rubber grip tracks that allow board to overhang a table edge for a comfortable working angle, and foldaway legs with non-slip rubber feet. Portable, with convenient carry handle.  Compact design is fully assembled and ready to use. VYCO vinyl board cover included for a soft, protective work surface. Precision made in the USA.