custom guitar knobs

3Pcs Wooden Custom Guitar Knobs Specifications: 2 wood tone control knobs and 1 wood volume control knob. Vintage and classical style. 5.8mm knurled inner diameter. Fit for most electric guitar and bass. Black circle in knob to prevent slippery.   Item Name: Guitar Knobs Quantity: 3Pcs/Set Material: Wood Features: Easy to Install, Guitar Parts, Durable Size: 2.5cm x 2.5cm x 1.4cm/0.98" x 0.98" x 0.55" (Approx.)     Package Includes: 1 x Volume Control Knob 2 x Tone Control Knob   Free Shipping - Allow 30 days CALIFORNIA PROPOSITION 65 WARNING  WARNING: Cancer and Reproductive Harm - arnings.ca.gov.