CSG11/tipless/50 50 chips for contact mode CSG11 series without tips, each chip has two cantilevers, resonant frequency 7-14kHz, 14-28kHz; force constant 0,01-0,08N/m, 0,03-0,2N/m. CSG11_tipless/15 15 chips for contact mode CSG11 series without tips, each chip has two cantilevers, resonant frequency 7-14kHz, 14-28kHz; force constant 0,01-0,08N/m, 0,03-0,2N/m. NSG11/tipless/50 50 chips for noncontact/semicontact modes NSG11 series without tips, each chip has 2 cantilevers, resonant frequency 190-325kHz, 115-190kHz; force constant 5,5-22,5N/m, 2,5-10N/m.  Add to cart NSG11_tipless/15   15 chips for noncontact/semicontact modes NSG11 series without tips, each chip has 2 cantilevers, resonant frequency 190-325kHz, 115-190kHz; force constant 5,5-22,5N/m, 2,5-10N/m. NSG20_tipless/15 15 chips for noncontact/semicontact modes NSG20 series without tips, resonant frequency 260-630kHz, force constant 28-91N/m. NSG20_tipless/50 50 chips for noncontact/semicontact modes NSG20 series without tips, resonant frequency 260-630kHz, force constant 28-91N/m.