With know-how draws on over 20 years of experience in the production of spice mills, the high quality of their wood products is achieved by careful turning or milling and superfine finish sanding. Keller-Egger uses only FSC certified solid beech wood. All wood parts are manually varnished or oiled with several intermediate sanding operations in Germany. All varnishes and oils are approved for food applications. Repeated quality controls ensure excellent quality.