Useful assortment of the most popular types and sizes of PTFE magnetic stirrer bars Supplied in a red polypropylene compartmented box with opaque natural lid Contains: Pivot ring: two each of 12 x 4.5, 25 x 6, 45 x 8 and 60 x 9.5mm Oval: two each of 20 x 10, 25 x 12, 35 x 16…