Specification:
Product name: Speaker grille (3 inch)
Material: metal cold rolled steel + ABS outer ring
Surface treatment: painting / electroplating
Colour: Black
Overall size:
Diameter: 94mm/3.7inch
Inner diameter: 72mm/ 2.8inch
Height: 9mm/0.4inch
Diagonal center hole distance: 83mm/3.3inch
Corner mounting hole distance: 59mm/2.3inch
Mounting screw hole diameter: 3mm/0.12inch
Protection net size:
Including cutting diameter: 73mm/2.9inch
Diameter without feed bracket: 71 mm / 2.8 inches