10 Teflon coated magnetic stirring bars in a reusable storage box.
10 magnetic stirring bars, PTFE coated, strong magnetic core, clearly in the case.
Nine micro magnetic stirrer bars of different sizes, coloured in mini boxes sorts, with PTFE coat. Three colours: red, blue, yellow. In coloured suitable boxes clearly sorts and keeps.
Each box contains in each case 1 piece of the following 3 sizes: 5 × 2 mm, 7 × 2 mm, 10 × 3 mm