Package Dimensions:6.69 x 5.91 x 4.72 inches Item Weight:7.8 ounces Department: Unisex-adult Exquisite guitar accessories are available to choose from, blend with your beloved guitar, suitable for electric guitars or acoustic guitars. All the photos are taken by mess production product. What you see is what you will get. The color might have a little bit different because of the aberration of light. The chrome plating has pass 72 hours salty spray test. Well polished with smooth surface. Adjustable-The guitar head knob with heavy-duty internal gear can be tightly tuned to make your guitar sound stable, perfect for you! 3R/3L or 6R per set. Including 12 screws and 6 bushings. The ratio is 1:15. The gear is made by bronze. You can tell how smooth it is when you tuning. It has a very smooth mechanism without any gaps, delays and slack. It is suitable for almost all acoustic guitars and electric guitars. Adjustable-The guitar head knob with heavy-duty internal gear can be tightly tuned to make your guitar sound stable, perfect for you!< br>3R/3L or 6R per set. Including 12 screws and 6 bushings. The ratio is 1:15. The gear is made by bronze. You can tell how smooth it is when you tuning. >It has a very smooth mechanism without any gaps, delays and slack. It is suitable for almost all acoustic guitars and electric guitars.