TOOGOO(R) 5PCS 50g 20g 10g 5g Grams Precision Chrome Calibration Scale Weight Set Kit Brand New In Box Plastic storage case:3.15 x 2.07 x 1.38inch/8 x 5.3 x 3.5cm(L x W x H) Material: Nickel-plated steel Class: M2 Permissible Error: +/- 0.003g