Quality you can feel. The WIEDEMANN WDT (Weiss Distribution Technique) tool is an indispensable barista tool: to prevent channelling, for even distribution of the ground coffee and to improve the consistency between the individual espressos. Replaceable needles, high-quality wooden handle, elegant design incl. 2 spare needles The upgrade for your espresso corner Handmade in the Wiedemann manufactory To avoid channelling Ideal for breaking up lumps in the ground coffee Wood from sustainable forestry Made in Gemany Wiedemann is proud to manufacture all wooden parts themselves in their manufactory. They do not outsource this production to other countries, but continue to manufacture by hand in southern Germany on Lake Constance.