Strong magnetic stirrer, oval shape, set of 5 types, 1 pack (5 pieces)

The stirrer uses samarium cobalt, which allows for strong and stable stirring with minimal deterioration of magnetic force. An oval-shaped stirrer with a rotating ring in the center. Suitable for round-bottom flasks, etc. Size (mm): Set of 5 Material: PTFE, rare earth magnet (samarium cobalt) Magnetic strength: Approximately 0.4k gauss *This is a set of 5 items: 4-2684-01, 02, 03, 06, and 07, each of which is 1 piece.