One Light Barber Pole. Single light refers to the lamp that illuminates the color cylinder. Also available in the two light model with a lighted top globe. Model 410 WALL MOUNT This is the smallest pole in our line. Use individually or in multiples inside or outside your shop to proudly display the symbol that is recognized by millions of people all over the world. Height 18 Width 6 Length of Glass 10 Projection (from wall) 8. Inner cylinder size is 3.25″ X 10″. Glass size is 4″ X 10″.