Product Features: brand new and high quality Note: Not suitable for all speakers, please read the size and confirm whether it is applicable to your speaker or not before purchasing Surface Treatment: Spray Treatment. Colour: Black Hole Shape: Round Hole Hem: Folded Edge Size: Error: 2mm Material: Iron Speaker Size (mm/inch) A: Diameter :45mm/1.77''in Height :4mm/0.15''in B: Diameter :83mm/3.26''in Height :12mm/0.47''in C: Diameter :100mm/3.93''in Height 7mm/0.27''in D: Diameter :120mm/4.72''in Height :7mm/0.27''in E: Diameter :122mm/4.8''in Height :7mm/0.27''in F: Diameter :142/5.59''in Height :7mm/0.27''in G: Diameter :152mm/5.98''in Height :4mm/0.15''in H: Diameter :173mm/6.8''in Height :8mm/0.31''in I: Diameter :182mm/7.16''in Height :8mm/0.31''in J: Diameter :231mm/8.38''in Height :8mm/0.31''in K: Diameter :222mm/8.7''in Height :8mm/0.31''in Note: To avoid any uncomfortable feeling to your ear,we suggest DO NOT turn the volume on full. Just turn the level in minimum and make sure you find the comfortable and good level. Note: 1.Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you Package Include: 2 x Speaker Decorative Circle