Look for the V at the neck.™ The V design at the neck of the disposable laboratory spatula is a trademark of LevGo, Inc. Size-related design to fit perfectly with standard 15 and 1.5 mL tubes. Color: standard blue Ideal for dispensing or sample collection of powders or soft solids Shatter resistant in liquid nitrogen and resistant to dilute acids and bases and can be used with hot liquids Anti-static, sterile and eco-friendly versions available Autoclavable and complies with FDA standards for food contact Disposable (100 per PK )