Vintage Interlok Collet Knob w/Black Pointer, 1/4" Bushing, Good Condition. These are good quality knobs that closely resemble the knurled Elma collet knobs that were used on Neumann and EMT equipment. They are .75" high, .52" diameter at the top, and .58" diameter at the base. To install the knobs carefully pry off the cap with a sharp blade, loosen the collet, put the knob in place, and tighten the collet with a screwdriver, collet tool, or needle nose pliers.
Knobs are unused and in good condition, but some may show minor shelf wear.
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