Multilever low-k probe for accurate micro-rheology and quantitative nanomechanical mapping of living cells, tissues, hydrogels. • Tailored for mechanical and micro-rheological measurements on soft samples in liquid • Controlled 5um end radius and calibrated spring constant for quantitative nanomechanical data • 23 micron long tip shaft for artifact free and accurate measurements even on tall cells • 6 levers, 0.01-0.5N/m spring constants, all calibrated and drift compensated • One pack of 5 probes