calibration weight Set,1g 2g 5g 10g 20g with Tweezers for Digital Jewellery Scale Lab Educational Science Weights Small June2023_cocoonwix uxcell 5W 8 Ohm DIY

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durable and reliable to serve a long life

calibration weight Set,1g 2g 5g 10g 20g with Tweezers for Digital Jewellery Scale Lab Educational Science Weights Small June2023_cocoonwix uxcell 5W 8 Ohm DIYcalibration weight Set,1g 2g 5g 10g 20g with Tweezers for Digital Jewellery Scale Lab Educational Science Weights Product Features What You Get: 7PCS calibration weight 1x1g,2x2g,1x5g,1x10g,2x20g and 1piece of tweezer. Resists corrosion and durable : made of steel with chrome plated surface. High accuracy: The permissible error is 0. 005 to +0. 005 g. Tweezers: stainless steel structure, good anti corrosion and anti rust performance, excellent