uxcell a15051800ux0061 Plastic Round Speaker Spacers 2 Pcs, 2 Pack Depth: 17mm / 0. 67"; Inner Diameter: 143mm/5. 6" External Diameter: 165mm/6. 5"; Product Name: Car Speaker Spacer Package Content: 2 Pcs x Car Speaker Spacer Material: Plastic Fit for Speaker Dia. : 6. 5"