Coffee Bean Grinder - Manual Hand Stainless Ceramic Burr Core Glass Jar Nut MillThis manual had operated coffee grinder will give the most aromatic coffee to enjoy! This coffee grinder has a ceramic burr which will not add heat during grinding, to preserve the natural taste and flavour. of the coffee. Choose coarseness by simply turning the screw. Turn clockwise for fine grinding, to turn anti clockwise for coarse grinding. The jar has a non slip base and protective lid for stability and to keep coffee beans from bouncing whilst