Package includes: comes with PTFE magnetic stir bars in our package, all of them are 30 mm/ 1.18 inch. Widely applicable: stir plate magnet bar will work well with various types of magnetic stirrers or heating stirrers. More other applications: laboratory bar is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors, and also can be applied to stir mixed substances. Quality material: PTFE magnetic stirrer is made of PTFE and quality magnetic steel, and the cylindrical shape and smooth surface will reduce friction and improve smooth rotation. Features: magnetic stir bar can resist high temperatures, corrosion, abrasion and high rotational forces, and has the properties of fine workmanship, no impurities and burrs on the surface, stable speed and no deviation.

Number of Pieces: 8. Shape: Cylindrical. Brand: Weewooday. Material: Polytetrafluoroethylene. Best Sellers Rank: See Top 100 in Industrial & Scientific. : B08L3KXRCB. Manufacturer: Weewooday. Date First Available: July 8, 2020. Item model number: Weewooday-PTFE Magnetic Stirrer-01. Package Dimensions: 2.6 x 2.13 x 0.47 inches; 1.76 Ounces.