The Stewart MacDonald bushing press is a great tool for safely inserting and removing tuner bushings, avoiding finish damage that may be caused by less elegant methods.
Full instructions for using the bushing press are on the Stewmac website.
This Gibson Les Paul Classic was in the workshop for repair to a nasty headstock break and left looking (almost) good as new. The joint went together so well that the finish didn’t even need any colour, just a few coats of my clear nitrocellulose lacquer to smooth out the line of the break before levelling, buffing and a polish.