PRODUCT COMPANY PRODUCT SERVICE wholsale Contact Us 64mm 58mm 64mm 71 mm , 73 mm 74mm 80mm 83mm 98mm 120 mm Tungsten Sires Conical Burr PRODUCT MaterialTool steel life timeCoated Products : 5,000 kg modelMazzer Robur coatingOrder Made. ( TIN, TICN, Red speed, Silver knight) PurposeEspresso Conical Burr Mazzer Robur 71 mm Coated burr set