We know one double bass that had the same set of strings for over twenty years. Bows need rehairing from time to time, and need coarser hair than the others, but this should still not cost more than Â£15 - Â£20. Double bass bows need a special kind of rosin, coarser than that used by violinists or 'cellists.
By industry standards, the standard floor-to-countertop height is 36â (3â-0â). If you are remodeling your kitchen and buying pre-built base cabinets (34 Â½â standard), this will be the height they fit into by most manufacturersâ standards.
In kitchen the standard height for the counter is 36''. but that  depends on counter top thickness and standard cabinetry heights.  This can vary even more based on kitchen' â¦ s size and preference. The  designing diagram shows which height will determine comfortable  work surface.