Fender Stratocaster 1-Volume 2-Tone Guitars Strat Control Knobs Black Product Name : Volume Control Knob;Color : Black Material : Plastic;Install Diameter : 6mm / 0.23" Total Size : 26mm x 15mm / 1" x 0.6"(Botton Dia * Height) Net Weight : 12g Package Content : 3 Pcs x Volume Control Knob