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Boss Style Knob in Color - 1/4" Smooth Shaft (27mm OD)

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Get the classic fluted Boss-style knob in a 27mm outer diameter and . . . in COLOR! Stay classic with black, or update your aesthetic with white, cream, red, dark blue, or clear. 

A removable film protects the mirror cap and keeps it shiny in transit, and a brass cup insert with a flat-head set screw securely holds it to a 1/4" smooth shaft potentiometer.

The Specs:

Boss style knob

Plastic with indicator

For 1/4" (6.4mm) smooth shaft pots

16mm (.62") tall

27mm (1.06") outer diameter at the skirt

Note: I've got six different sizes of classic fluted Boss-style knobs, from extra-small (14mm) to extra-large (45mm). Check out the measurements below for a size comparison.

The Middle: 14mm x 13mm

The Tall Boy: 16mm x 12mm

Small: 20mm x 12mm in 1/4" smooth shaft and knurled shaft

Medium: 27mm x 16mm

Large: 33mm x 16mm

Extra-large: 45mm x 20mmsize-comparison-boss-style-knobs.jpg

Tip: The term "Boss" refers to the aesthetic design of this knob, with the mirror cap inset into a plastic knob shell. A Boss-style knob will not automatically fit all Boss pedals. The right fit depends on the shaft size of the knob's potentiometer. Read this post to figure out what kind of knob you need: