KAISH Metal Black 10mm Vintage Guitar Tuning Keys Conversion Bushings Adapter Ferrules

Zinc cost-effective converison bushings with 6.2mm(0.24") I.D. and 10.2mm O.D. for installing vintage tuners on modern heardstock with 3/8"(10mm) tuner holes Dimensions: Inner hole diameter: 6.2mm; Outside Diameter: 10.2mm; Total Height: 7.6mm; Top Diameter: 14mm These bushings are used for Wilkinson vintage style tuners/Gotoh SD Series vintage style locking tuners(not for Gotoh standard vintage tuners)/various import vintage style tuners with 6mm string posts; Do not fit USA vintage style tuners with 6.3mm string posts, please choose 6.5mm(0.25") I.D. bushings for USA vintage guitar keys Make sure to measure the diameter of your vintage tuner's string posts as well as existing holes in your guitar's headstock, and choose correct size accordingly Nice finished durable converison bushings, no burrs, well built and easy to install, press-fit "drop in" bushings