The Proscale 666 (aka Satan Scale) has a 666g capasity with 0.1g accuracy These digital scales are tough, durable, and priced right. They are inexpensive and good quality. The Proscale 666 are definitely the best low-low cost scales in the market (better then probably 90% of the stuff we see in the market nowadays). Does Grams, Ounces, Carats and Grains