We describe how to use Mad City Labs SPM Etch kit to produce tungsten tips for atomic force microscopy (AFM). The tungsten tips are attached to quartz tuning forks for use in a resonant probe AFM. Copyright Mad City Labs, Inc. 2019. Keywords: atomic force microscope, AFM, SPM, tuning fork AFM, scanning probe microscope, phase lock loop controller, nanopositioning, nanopostiioner, tungsten tips, resonant probe