The Laboratory Slot Weight Set is made of chrome-plated iron. It is designed for precise weight adjustment and is suitable for balancing and calibrating laboratory equipment in various settings such as laboratories and studios. The set is compact and lightweight, making it convenient to carry and store. It is not only applicable in laboratory settings but also in jewelry making and handicraft production. Features -Color:Silver -Material:chromium plated iron,ABS -Size:7.00X2.00X2.00cm/2.75X0.79X0.79in -The construction made of chrome-plated iron ensures durability. -The weight feature allows for precise calibration for laboratories and studios. -This set is specifically designed for balancing and calibrating laboratory equipment. -The compact and lightweight design makes it convenient to carry and store. -It can be used in various fields such as jewelry making and handicraft production. Package list: 9 x slotted weights(10g/piece) 1 x hanger(10g)