PTFE Oval- & Octagonal-type Mixed Stirrer Bar-Set, for Lab & Industry, L10~75mm, 18pcs/setExcellent for Chemical and Corrosion Resistance, -200℃+260℃, PTFE 타원/달걀형+옥타고날형 마그네틱바 세트 (SL21CAT00003387)