Description This product is a pattern weight, made of solid materials, safe and durable. It can last for a long time without being easily damaged. The product is a practical slotted weight that can bring you more convenience, allowing you to have a more comfortable experience. Features -Color:Silver -Material:Iron, plastic -Size:6.00X3.00X3.00cm/2.36X1.18X1.18in -Size:3.00X3.00X2.50cm/1.18X1.18X0.98in -Size:2.00X2.00X2.00cm/0.79X0.79X0.79in -Size:2.00X1.50X1.50cm/0.79X0.59X0.59in -Made of firm iron and plastic materials for long lasting durability and reliable performance. -Offers multiple pattern weights combinations to cater to various experimental requirements. -These slotted weights provide high precision for accurate measurements and precise experiments. -The slotted masses are specifically designed for physics teaching and scientific research purposes. -Easy to carry and convenient to use in laboratories or classrooms. Package list: 7 x Pattern Weights