Schaller M6-135 3l3r LMB SL Chrome Locking System Model: 3 right 3 left Wings: M6 Metal large Shaft lenght: 19, 5 mm Ratio: 1: 18 Including: Fixing screws, banjo bolts and washers Finish: Chrome The new M6 is the legend perfected With the original M6 having set the standard for closed-type tuning machines worldwide for half a century the new M6 offers numerous upgrades and improvements without losing its iconic halo. Since the launch of the open back GrandTune tuning machine series in 2014 Schaller’s 18: 1 Velvet-Tec technology has found its way onto most of the finest headstocks of our industry. Introducing the all new M6 and M6 Mini tuning machine series – featuring 18: 1 Velvet-Tec and LX6-Lube for unparalleled tuning precision and comfort. Note: The new M6 shares the identical footprint with its predecessor and can easily be swapped with no modifications necessary. Additionally the new M6 step-washer will allow for trouble-free installation and perfectly and permanently centered stringposts. A true Schaller innovation that improves installation and provides added protection to your M6’s longevity and flawless operation. The M6 step-washer instantly centers your stringpost and makes the drilling of two separate diameter holes into your headstock obsolete. The added support eliminates tilting and releases stress from the stringpost and the mounting screw in the back. technical specification gear ratio 1: 18, weight button metal small/large 39g/41g, Perloid 33g/34g, Ebony 34g/35g, Galalith 34g/35, Polybone 34g/35g per piece, drill hole button: diameter 4.2 mm with driving surface 3.6 mm.