Description: Sold in 4 pcs. Made of plastic, useful and long service life. Fits most speakers on the market. Can be used in cars, trucks, RV, more. Improvement for sound quality. Good for DIY car audio modification project. To solve the problem of installation depth. The spacer fits 4 inch speaker. Specification: Condition: Brand New Color: Black Material: Plastic Thickness: 11mm/0.43" Inner Diameter: 92mm/3.62", 99mm/3.9" Outer Diameter: 136mm/5.35" Mounting Hole Diameter: 5mm/0.2", 3mm/0.12" Size: 136x11mm/5.35"x0.43" (D*T) Feature: Removable Note: Please make sure this part fits your vehicle before ordering Please allow 1-2mm error due to manual measurement. Package Include:4 x Car Speaker Spacer
