Manufacturer: Chief Manufacturing Manufacturer Part Number: CMA-365 Manufacturer Website Address: Brand Name: Chief Product Series: CMA Product Model: CMA-365 Product Name: CMA-365 Structural Truss Ceiling Adapter Plate Product Type: Mounting Adapter Device Support: Projector Maximum Load Capacity: 250 lb Material: Steel Package Contents: 1 x CMA-365 Structural Truss Ceiling Adapter Plate 2 x U-BOLT, (3/8"-16 x 3.5 x 5.375) 4 x Washer, Flat Washer Machine, 1.12 O.D. 4 x Nut, Hex Serrated Flange, 3/8"-16 1 x Screw, Set, 5/16"-18 x 1/4" 1 x Key, Hex, 5/32" Compatibility: Projector Standard Warranty: 5 Year