Description: Corrosion-resistant -- resistant to almost all chemical solvent High temperature resistant -- max working temperature: +250? Low temperature resistant -- although at the temperature of -196?, it still has good toughness Smooth surface, nothing will adhere to it Made of premium stainless steel and PTFE, high quality, long service life Specification: Material: PTFE, Stainless Steel Color: White Size Chart: #3 Size: Rod Length: Approx.250mm/9.84 inch Overall Width: Approx.55mm/2.17 inch For Flask: 250ml-500ml Rod Diameter: Approx.7mm/0.28 inch Package Includes: 1 Piece Stirring Rod