Mirror Head 8" Round Center Mount Chrome 5/16" Ball Stud GG#33080 Each So if your lug nut

So if your lug nut uses a 33mm socket then you need a 33mm lug nut cover or if it uses a 1 1/2" socket then you need a 1 1/2" lug nut cover

THE SPEAKER COVERS ARE CHROME PLASTIC WITH A CHROME METAL SCREEN

Size: 3/8" head diameter

Mount: silicone adhesive (not included)

overall size 2 3/4" including mounting tabs

Mirror Head 8" Round Center Mount Chrome 5/16" Ball Stud GG#33080 Each So if your lug nutMaterial: chrome plated Application: blind spot mirror for mounting on door mirrors, universal application Mount: "L" style mounting bracket included Size: 8" mirror head, 5 16" ball stud Location: exterior Style: convex mirror center mount, adjustable ball stud, heavy duty bracket Color: silver Quantity: each Bulk Packaging New