Pricing. 29131-U. volume 0.3 mL, amber glass vial, Interlocked vial (with fused-in insert), crimp top, 11 mm, pkg of 100 ea. Pricing. Match Criteria: Product Name. Certified glass inserts for 8 x 40 mm shell vials. Certified glass inserts for 8 x 40 mm shell vials. Conical Base 2.0 mL Microcentrifuge Tubes - USA Scientific, Inc. Country of origin.