uxcell Aluminum Potentiometer Set of 4mm Inner Universal Control Knobs for Guitar and 25mm Outer Gold Finish Knobs, 2, Diameter, Volume/Tone Bass,

【Important Notice for International Buyers – Tomoayax Premium Audio Hi-Fi Japan】

■ Voltage Compatibility This product is designed exclusively for use in Japan (AC 100V, 50/60Hz).

Many regions use 120V or 220–240V. Using this product without a proper transformer in such voltage environments may result in malfunction, overheating, or serious and irreversible damage.

■ Plug Type This product uses a Japanese plug (Type A or B). A plug adapter may be required depending on your region.

■ Transformer Requirement (Very Important) A transformer is required for safe use.

A plug adapter only changes the plug shape and DOES NOT convert voltage. Using this product without a transformer may cause serious and irreversible damage.

■ Buyer Responsibility As this is high-end audio equipment, the buyer is fully responsible for confirming compatibility with their local voltage (100V / 120V / 220–240V) and usage environment before purchase.

■ No Return / No Refund Policy We do NOT accept returns or refunds for: ・Voltage mismatch (including 120V and 220–240V environments) ・Use without a transformer ・Plug incompatibility ・Damage caused by improper setup or usage

■ Liability We are not responsible for any damage, malfunction, or performance issues caused by improper use or incorrect voltage conditions.

■ Final Notice Please ensure full understanding of the above before purchasing. Use only under the correct voltage environment. Aluminum potentiometer knobs are common volume control device accessories. They are frequently used as adjustment knobs on musical instruments such as guitars, basses, and amplifiers. They are an ideal replacement knob for music lovers. Aluminum Alloy Potentiometer Knob: Size: 25x19mm/0.98x0.75 inches (Outer Diameter x Height); Material: Aluminum Alloy; Mounting Hole Diameter: 4mm/3/16 inches; Color: Gold; Superior durability: Made of aluminum alloy, it is lightweight yet sturdy, ensuring long-term use. High compatibility: Equipped with a standard 3/16 inch (4mm) mounting hole, it fits most guitars, basses, and other instruments. Easy installation with the included wrench. 1. Remove the existing knob from the device. 2. Check that the screw size matches the mounting hole of the knob. 3. Align the hole in the knob, install it, and secure it with a wrench. Before use, please check that the size of the mounting holes matches that of your device. Features: This aluminum potentiometer knob is a common volume control device accessory. It's frequently used as an adjustment knob on musical instruments such as guitars, basses, and amplifiers. It's an ideal replacement knob for music lovers. Contents: Aluminum alloy potentiometer knob; Size: 25 x 19 mm / 0.98 x 0.75 inches (outer diameter x height); Material: Aluminum alloy; Mounting hole diameter: 4 mm / 3 / 16 inches; Color: Gold; Package contents: 2 knobs + 1 wrench; Product Advantages: Excellent Durability: Made of aluminum alloy, it is lightweight yet sturdy, ensuring long-term use. High Compatibility: Equipped with a standard 3/16 inch (4mm) mounting hole, it fits most guitars, basses, and musical instruments. Easy installation with the included wrench. Wide Range of Applications: Ideal for guitars, basses, amplifiers, effect pedals, and other audio equipment. Instructions for Use: 1. Remove the existing knob from the device. 2. Check that the screw size matches the mounting hole of the knob. 3. Align the hole on the knob, install it, and secure it with a wrench. Important Note: Before use, please check that the size of the mounting holes matches that of your device.