Description: 100% brand new and high quality Type:Volume tone control knob The central hole for pots is approx. 6mm in diameter. High quality transparent acrylic material. Transparent knobs with black numbers on it. Fits LP Style Guitar and most similar guitar Material:Plastic with acrylic Top diameter:approx. 17mm/0.67'' Bottom diameter:approx. 21mm/0.83'' Color:Transparent knob + Black number Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Knob(other accessories demo in the picture is not included.)