M1 Stainless Steel Calibration Weight

Flawless Precision for Your Coffee Scale When it comes to brewing the perfect pour-over or pulling the ultimate shot of espresso, accuracy is everything. But even the best digital coffee scales can drift over time due to temperature changes, travel, or heavy use. Our Premium Calibration Weights are designed to bring your scale back to absolute factory perfection in seconds. Solid, Barista-Proof Stainless Steel Unlike cheaper calibration weights made from basic carbon steel with easily chipped chrome plating, our weights are milled from solid, premium stainless steel. They are highly resistant to rust, moisture, and corrosion. Whether it sits on your drip tray, next to your kettle, or in a humid cafe environment, this weight is built to withstand the realities of daily coffee brewing without degrading or losing its precise mass. Lab-Grade M1 Accuracy You don’t just need a heavy piece of metal; you need a guaranteed standard. These weights are machined to strict OIML Class M1 specifications. What does that mean for you? It means this weight is up to 20 times more accurate than the 0.1g sensors inside standard coffee scales. When you place this on your scale, you are locking in a flawless, absolute baseline. Features at a Glance: True Mass Verification: Guarantees your coffee scale is reading your beans and water yields with absolute certainty. Corrosion Resistant: Solid stainless steel construction means no rust, no flaking plating, and no compromised accuracy over time. Safe Storage: Includes a custom-fit, hard plastic protective case with an internal foam cushion to keep the weight safe from scratches, dust, and dents when not in use. Technical Specifications: Accuracy Class: OIML Class M1 Material: Premium Solid Stainless Steel Finish: Smooth, mirror-polished surface Readability Match: Ideal for digital scales with 0.1g or 0.01g precision Tolerance (Maximum Error): 50g Weight: ±3 mg (0.003 g) 100g Weight: ±5 mg (0.005 g) 500g Weight: ±25 mg (0.025 g) Packaging: Protective plastic screw top case Pro Tip: To keep your weight perfectly accurate over the years, always handle it with clean hands or a microfiber cloth to prevent natural oils from transferring to the metal!