PN#LB663SL  SKU#17790  Single Round Light Box Black Powder Coated Steel With Side Light. Material: Carbon Steel. Mount Type: Bolt-On / Weld-On. Number Of Side Cutouts: 1. Side Cutout Shape: Round. Depth: 3.00″. Face Cutout Shape: Round. Face Cutout Diameter: 4.50″. Height: 6.00″. Number Of Face Cutouts: 1. Length: 6.00″. Side Cutout Diameter: 2.31″.