Ensure that your Acaia brewing scale is never a tenth of a gram off with the Acaia Calibration Weight. Built by Acaia and verified in their labs, this weight meets rigid F2 Standards (+/- 0.0075g) and brings maximum calibration precision to your home or cafe. The weight has the Acaia logo and weight laser etched into the side. It’s made from durable stainless steel to make it usable for many years – if not decades. And, to improve the weight’s longevity even more, also included is a custom-fit EVA foam case for safe storage. ACAIA CALIBRATION WEIGHT FEATURES Precision Calibration – Built by Acaia to F2 standards (+/- 0.0075g) and lab verified, ensuring maximum precision when you calibrate. Laser Etched Weights – 100g or 500g, is laser etched into the weight so you never forget. Durable Stainless Steel – Constructed for long-lasting effectiveness. Carrying Case Included (500g only) – Keep your calibration weight safe when not in use. THIS PRODUCT INCLUDES: 1 x Acaia Calibration Weight 1 x Carrying Case (500g only) THE SPECIFICS Materials: Stainless Steel Weights: 100, 500g Permissible Error: +/- 0.0075g Dimensions: 49 mm (W) x 33 mm (H)