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These replacement tractor/trailer brake knobs are fully customizable to fit your taste. Sold SINGLE. Install knobs before placing sticker or plate!...

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...

Long hauls can really interfere with making it home in time for poker night. But you'll never forget who's the Ace in your cab with these beautiful...

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...

Marble knobs are each unique and may vary quite a bit from the image shown. We cannot control the pattern or color ratio.

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...

Replaces thread-on tractor/trailer air brake knobs. Sold SINGLE. See related items for other knobs to match with this one.

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...

Marble knobs are each unique and may vary quite a bit from the image shown. We cannot control the pattern or color ratio. This flattened, mushroom-...

This flattened, mushroom-shaped knob evokes nostalgia for days gone by - a retro yet timeless look. Includes a female 5/8" x 11 threaded insert. Do...