Are you looking for professional labs slotted mass set? then your research is over here. That's because our slotted weights mass set can meet your needs. It is in adoption of metal materials and good craftsmanship, and practical, can provide you with stable working performance. Features -Color:Silver -Material:steel -Size:10.50X4.00X3.50cm/4.13X1.57X1.38in -Note: With or without text is - Manufactured with steel material, with excellent durability and practicality, these slotted can serve you well. - Weights are slotted to fit and to the hanger, stable performance and practical. - It has polished surface and smooth edges, easy to clean and will not hurt your hands. - Different weights, slotted mass with hanger is perfect for balance testing and weight determination. - Not easy to get corrosion or rust, have longer service life, very convenient and professional. Package list: 1 x slotted mass(200g) 2 x slotted (50g) 2 x slotted (20g) 1 x slotted mass(10g) 1 1 x hanger