The EG-1 | Weber Workshops [New Mk.3 Edition]The EG 1 from Weber Workshops is the ultimate all round coffee grinder. From Espresso to Pour Over coffee preparation, the EG 1's premier 80mm flat burrs handle everything you can throw at it. The EG 1 ships with your choice of ULTRA or CORE burr sets. The CORE burr set is designed for everything from pour over to espresso preparation. The ULTRA burr set is designed principally for pour over and filter brewing and highlighting clarity in your brews.