Butyrate is an old school plastic. Has that yellowing you know and love. Off brand knobs don't have the  correct font or colors. These are used in shops for custom, historic reissues.

Includes two historic "TONE" knobs and two historic "VOLUME" knobs for electric guitar. Gold with gold insert. To be used with fine knurled splined shaft pots. Embossed. Butyrate. Fits Gibson®. Available in:

• Gold w/ Silver Insert - Volume 3017 (Individual)
• Gold w/ Silver Insert - Tone 3018 (Individual)
• Black w/ Silver Insert - Volume 3019 (Individual)
• Black w/ Silver Insert - Tone 3021 (Individual)
• Black w/ Gold Insert - Volume 3022 (Individual)
• Black w/ Gold Insert - Tone 3023 (Individual)
• Gold w/ Gold Insert - Volume 3024 (Individual)
• Gold w/ Gold Insert - Tone 3025 (Individual)
• Gold w/ Silver Insert 3017-18 (4-Pack)
• Black w/ Silver Insert 3019-21 (4-Pack)
• Black w/ Gold Insert 3022-23 (4-Pack)
• Gold w/ Gold Insert 3024-25 (4-Pack)

Advanced Music Products (AMP) is a division of Advanced Plating Inc (API). Engineering and manufacturing guitar parts for the titans of the industry. Made in the USA for over 60 years. OEM fit and finish. Trust the brand your favorite brand's trust.