Grab for Prefabricated Concrete Products FTZFTZ-I: special compact clamp for laying heavy granit kerbs.FTZ-BB: designed kerb stones with high concave section for bus stops („Kassel Kerb“).FTZ-UNI: Universal clamp for all kind of precast elements.FTZ-MAXI: As FTZ-UNI but with a very large gripping ra..