Combination Stash Safe Can, Grinder, And Scale 0.1G 500G Black 3 in 1 complete set: Innovative metal safe can design, real coke shaped; plastic 3 parts grinder; magnetic foldable scale. the inside is padded to provide extra protection.Roll-your-own tobacco enthusiasts and herbalists will also love the built in grinder. Capacity: 500g / 17.64oz / 16.08ozt / 321.5dwt, Readability: 0.1g / 0.01oz / 0.01ozt / 0.1dwt Tolerance: 1.5d Weighing Units: g, oz, ozt, dwt, Calibration Weight: (not included) 500g Platform Dimensions: 2.2"  Stainless Steel Scale Dimensions: 0.9 x 2.4 x 4.7" (unfolded) 1.8 x 2.3 x 2.4" (folded) Power: 2 x AAA Batteries (included)