The OnStage EB9760 Exterior Speaker Mounting Bracket provides a secure and versatile solution for mounting speaker cabinets. Designed to fit on 1 3/8 inch stands or poles, this heavy-duty plastic bracket allows mounting to any speaker cabinet without requiring a cutout. It features a new and improved non-slip tightening mechanism with a nylon-tipped screw for a firm grip. Mounting hardware is included for easy installation.Key Features: Fits 1 3/8 inch (3.5 cm) diameter stands/poles Mounts to any speaker cabinet without the need for a cutout Constructed from durable, heavy-duty plastic Equipped with a nylon-tipped tightening screw for secure hold Features 3/8 inch (0.95 cm) holes for flush mounting Includes 3/8 x 1 1/2 inch (0.95 x 3.8 cm) slots for pre-drilled holes Dimensions: 7 x 4.5 inches (17.8 x 11.4 cm) Shaft insert depth: 3 inches (7.6 cm) Distance between holes (length): 5.9 inches (15 cm) Distance between holes (width): 2.75 inches (7 cm) Color: Black finish Mounting hardware included