Ergo x-large 90 mm or 3.5″ aluminum 4 part grinder
This Ergo grinder is 90 mm or 3.5″ diameter and it is a solid grinder with smooth threads, easy grip technology, and razor sharp teeth. This extra large size will enable you to grind more material at once. Classic aluminum polish with diamond shaped teeth. This is a 4 part grinder. The top 2 layers are the sharp teeth for grinding, the 3rd layer has a stainless steel screen and the bottom is a collection plate.