2 Pcs 4" Car Subwoofer Speaker Rings Spacers Audio Decorative Circle Black 17mmx47mmx14mm it must be inserted into

it must be inserted into the end

for Mercury Tracer 1997-1999 GS

Package Content: 5pcs x PTFE Ball

for BMW 5 Series F07 F10 F11 2010-2016

Fit for Mercedes-Benz CL600 2001-2003

2 Pcs 4" Car Subwoofer Speaker Rings Spacers Audio Decorative Circle Black 17mmx47mmx14mm it must be inserted intoFeatures: 4 inch Speaker Grills Rings are durable and corrosion resistant, good for Home Theater, Marine and Automotive applications. They are fit for DIY speakers decorative circle. Speaker decorative rings serve both aesthetic and protective purposes. The Speaker Rings is made of Plastic, windproof, and rain proof outer ring to protect your subwoofer. It has a strong and durable structure with high compressive strength and impact resistance.