ANGGREK Calibration Weights Set 17Pcs 211.1g 10mg 100g Grams Stainless Steel Test for Digital Jewellery Scale Science Lab

【Superior Stainless Steel】These calibration weights are made of superior stainless steel, durable and resistance to corrosion, can be used for a long time. 【High Precision】Permissible error +/- 0.003g, used for precise scale re-calibration, provides you with higher accuracy, ideal choice for professional and home precision. 【17Pcs Weights with Case and Tweezer 】Come with 17 pieces calibration weight and 1pcs tweezer, 1 x 100g,1 x 50g, 2 x 20g, 1 x 10g, 1 x 5g, 2 x 2g, 1x 1g, 1 x 500mg, 2 x 200mg, 1 x 100mg, 1 x 50mg, 2 x 20mg, 1 x 10mg, you can choose it at will; Packed with a plastic box container with foam-lined to guarante product is not damaged and easy for storage. 【Wide Application】These test weights are ideal for jewellery, g, lab, pocket scales and chemicals, digital balance scales, general laboratory, commercial and educational purposes, greatly meets your various demands. 【Excellent After-serv】Any questions about this balance scale calibration weight kit, please contact us, refund or new replacement.