CSB1210 Center Stage Bracket CSB-1210 Mounting Bracket for Speaker/0-0 (Discontinued by Manufacturer) Product Information-Device Supported-Speaker;Physical Characteristics-Material-Aluminum, Steel Product Information-Maximum Load Capacity-25.00 lb;Physical Characteristics-Weight (Approximate)-1.85 lb Product Information-Features-Tilt, Physical Characteristics-Color-Black Dimensions of the small screws for all aluminum Center Stage Brackets.Small Screw: Thread pitch - 0.7mm, Diameter -4mm, Length - 8mm, Allen Wrench Dimension: Diameter  2.5mm