These SpringNo''s work quite well. On certain guitars the tremolo spring vibration can be really loud and it can be heard through the amp-these guys shut it right down. The only problem is that these Springnos do not fit ALL tremolo springs, some springs have a smaller diameter and the unit won''t go in. From what we''ve seen, they will fit USA springs like what comes on a USA Stratocaster but don''t fit some import springs. A few customers have complained already.
Reviewed by: LUCI OREILLY from Fl.