ZIEIS Tree 100g X 0.001g Precision Balance Scale, Z-HRB-103, White ZIEIS Calibration Weight (included) - Quickly and easily calibrate your scale to ensure consistent accuracy ISO 9001:2000 Certification  Ensures exceptional quality, performance, and extreme reliability ZIEIS Weigh Boats (50pk included)  Lightweight, anti-static, pourable, and reusable product containers ZIEIS Surge Protector (included) - Protecting your scale from disastrous electrical problems such as spikes & surges Warranty - FIVE (5) Year ZIEIS New Scale Warranty