1)Diameter: 28mm Height:13mm 2)Material:ABS 3)Treatment: Plating 4)Durability, easy to mout and use 5)Tuning knobs new 28x13 Electronics Control Knob 1)Size:Φ28xH13mm Shaft hole: 6mm2)Material:ABS3)Straight knurl in outside,texture on top4)Color:Silver,Black,Blue, other color as per customer's requirement5)Widely used for profession speaker ,home theater equipment, subwoofer speaker Why choose ...
