Bar10Der Bar 10 Der-Purple 4029 The Bar10der is a unique and perfect gift for any occasion. 10-in-1 tool; Muddler, Knife, Reamer, Stirrer, Channel Knife, Strainer, Jigger, Corkscrew, Zester, Bottle Opener Handwash Only Materials: High Grade Stainless Steel- BPA Free Plastic (muddle head), Rubber handle