Designed primarily for schools and laboratories with uniform wall thickness and length and larger tip openings for faster delivery. It is primarily due to this faster delivery that accuracy tolerances are twice those specified for Class A volumetric ware. Corning No. 7102 Shipping Details Shipping Type: parcel Free Shipping: true Specifications Maximum Age: 12 years Capacity: 25 mL Allergens: Contains No Allergens Certifications: Conforms to ASTM E969 Grade Level: Not Specified Specialty Shops: Clearance SUOM Description: Pack of 12 Brand Name: Pyrex Description: Volumetric Pipette Material: Borosilicate Glass