Consisting of the most common magnetic stirring bars and a retriever with a length of 150 mm. Each one piece of (length x diameter): Cylindrical 10 x 6, 15 x 4,5, 20 x 6, 25 x 6, 30 x 6, 40 x 8, 50 x 8, 60 x 9. Pivot ring 15 x 5, 25 x 6, 40 x 8. Triangular 25 x 8, 40 x 14 Dimensions of box mm 175 x 110 x 30