Feature Highlights: 1. Compatible Models – These knobs are designed to fit amplifiers including the P3, BT20A, BT20A PRO, BT30D, BT30D PRO, and TB10D. 2. Easy Replacement – To change the knob, just grip the old one firmly and pull it straight off. Then slide the new knob onto the shaft and press it down until it’s snug and secure. 3. Durable Build – Made from aluminum alloy, these knobs are sturdy and made to last, with a bright orange finish for clear visibility. 4. Secure Fit – Each knob locks firmly in place once installed, so you can adjust volume smoothly without worry. 5. Two Knobs Included – Each pack comes with two volume knobs, ready for quick replacement or backup. Product Details: These replacement orange volume knobs are made of high-quality aluminum alloy, offering a solid feel and reliable performance. They’re compatible with several popular amplifier models and install in seconds—just pull off the old knob and press the new one into place. Perfect for refreshing the look of your amp or replacing worn knobs. Specifications: - Color: Orange - Material: Aluminum Alloy - Package Includes: 2 × Volume Knob Note: Only the knobs listed above are included. Slight color variations may occur due to lighting or screen settings. Size tolerance is within +/- 1–3 cm.