We don't use, Zinc, Pot Metal or Qany other nasty combination. Our grinders are light weight and high grade. Ypu want heavy grinders with toxic metals from our competitors - be our guest.
Most competitors cut corners. If the black or blue or green grinder has silver teeth inside they have manufactured the grinders from parts or wafers and cobined them. Eventually they wil fall apart. Our lids and other parts are CNCed from ONE piece and are built like a tank.
Our competitors get some wire mesh and stick it on the screen. Ecerything falkls through and you think WOW so much pollen but it's trash. Our screen is made fro the correct size to only let through hiugh grade pollen.