PTFE Octagonal-type Stirrer Bar-Set, for Lab & Industry, L13~75mm, 16pcs/set Excellent for Chemical and Corrosion Resistance, For Universal Application, PTFE 팔각/옥타고날형 마그네틱바 세트 PTFE Octagonal-type Stirrer Bar-Set, for Lab & Industry, L13~75mm, 16pcs/set Excellent for Chemical and Corrosion Resistance, For Universal Application, PTFE 팔각/옥타고날형 마그네틱바 세트 PTFE Octagonal-type Stirrer Bar-Set, for Lab & Industry, L13~75mm, 16pcs/set Excellent for Chemical and Corrosion Resistance, For Universal Application, PTFE 팔각/옥타고날형 마그네틱바 세트