ENT 25100 5-Piece Forstner Drill Bit Set WS Diameter 15-20 - 25-30 - 35 mm - Drill Bits for Easy Drilling of Blind Holes in Soft Wood : Amazon.de: DIY & Tools
Bosch Professional Forstnerbohrer (Ø 30 mm, Länge 88 mm, Zubehör Bohrer) : Amazon.de: Baumarkt