Chestnut C3 GrinderDescription The C Series is a brilliant addition to Timemore's line of coffee hand grinders. Some plastic components, including the internal body, keep cost down while making this grinder lightweight and increasing the capacity! Not to mention, the same excellent grind quality. The dual bearing stabilization in the C3 utilizes a reliable spring mechanism to lock the inner burr into position, and ball bearings to hold the grind shaft in place, to