MIJ Speed Knobs for Metric Embossed Numbering -Gold- Brand New Made-In-JapanTraditional Speed Knobs for Metric Embossed Numbering Replacement control knobs Numers are embossed from inside which is same style as the original Gibson guitars. These knobs are for metric size POT (for ex. Japanese,Chinese,Korean ).If your guitar's POT is inch size (for ex. CTS), please choose same one for inch. Shipping Time: in general, up to 2 weeks.