This classic plastic speed knob puts the perfect finishing touch on your guitar or other project. Also called barrel knobs these are commonly used on Gibson Les Pauls and other guitars. Measures 1 base diameter x 0.47 height with a very slight taper to 0.93 at the face (26 x 12 23.7 mm). For use with coarse splined shafts of 6 mm diameter embossed indicator numbers. Guitar Knob LP Speed Type 1 - Black This classic plastic speed knob puts the perfect finishing touch on your guitar or other project. Also called barrel knobs these are commonly used on Gibson Les Pauls and other guitars. Measures 1 base diameter x 0.47 height with a very slight taper to 0.93 at the face (26 x 12 23.7 mm). For use with coarse splined shafts of 6 mm diameter embossed indicator numbers. Maybe you re repairing restoring or hot rodding an existing guitar amplifier or other electronic equipment. Perhaps you re devising your own unique musical or audio gear from scratch working on classic vintage receivers radios or TV sets. Any way you slice it Parts Express has the quality components you need to finish the job right at prices you can afford. Product Details BrandParts ExpressPart Number240-2232UPC848864029597Unit of MeasureEachWeight0.05 Product Specifications ColorBlack