Liquid Bearings with EXTRA-LONG 3" needle, synthetic oil for Music, Cuckoo, & Black Forest clocks, restores frozen or sticky movements! THE BEST oil for your manual or electric typewriters! 100%-synthetic lubricant, superior for all typewriter applications! Makes typewriters operate quieter and more smoothly! No petroleum-based odor, never gets sticky or gummy This offer also includes the 1/2" AND 1-1/2" needles