This exact model is widely used for assaying & other appraisals. EASY TO USE and includes instructions. Trusted by professionals and easy enough for beginners & hobbyists. DigiWeigh has recently upgraded their 600BX to this deluxe edition 1000BX. This scale offers an improved load cell with higher capacities and a greater variety of modes. The DW1000BX enables you to choose from grams, ounces, grains, carats, pennyweight and troy ounces. Stainless steel weighing platform provides a surface that's easy to keep clean, and looks very professional. The durable plastic cover can also be used as an expansion tray. TARE function enables you to reset scale to zero (0.00) units while in use (e.g., to remove the weight of the expansion tray or some other measuring cup/bowl after it is placed onto scale). Batteries included (two AAA batteries), as well as instructions on how to calibrate, and general use. DIMENSIONS: 5" (D) x 3" (W) x 0.75" (H). Platform size: 2.5" x 3". LCD screen size: 1.3" x 0.5". As a special promotion You will receive a 5 or 10 gram gold replica bar as a test bar. Please message us after ordering to specify which one you want. Excellent tools, excellent value. Shipped FAST, direct from PuriTEST.