strong>XENTRIc gUITARS 6mm Dome Knobstrong>strong>ade From Urethane Resin (Not metal)strong>strong>Knob color May Vary Slightly From Picturestrong>strong>Knob Information:strong>strong>Simple and Easy to Install strong>strong>Mirror Like Finish with comfortable grip strong>strong>Made of Extremely Durable and Lightweight Urethane Resin Which Allows for Vivid colors These knobs are strong>i>strong>notstrong>i>strong> made of strong>i>strong>metalstrong>i>strong>strong>strong>We use a standard shaft opening that is universal for any 6mm coarse splined, fine splined or solid pot shaft strong>strong>Includes an 8-32 set screw to secure the knob to the shaftstrong>strong>easure your shaft size before ordering AA shafts are NOT compatible with these knobs, but available by requeststrong>strong>All of our dome knobs come with a complimentary alan wrench and lint-free cotton polishing pad strong>strong>Instructions:strong>strong>Back out Set Screw Slightly to Allow Easy Placement strong>strong>Slide Knob on Shaft to Desired Height strong>strong>Align Set Screw with Split in Shaft (Split Shaft Only) Failure to properly align can result in knobs coming loose, falling off, and being lost strong>strong>Tighten the Set Screw Do not over tighten to avoid stripped threads or damage to knobsshaftsstrong>strong>Knob Size - 1838mm x 1838mm x 1838mm strong>strong>Shaft Size - 610mmstrong>strong>Knobs come With Set Screw color Shown in Picture Please let us know if you would like a different optionstrong>