1ml Shell Vials, Clear Glass, 8.2mm x 40mm, 1st Hydrol Class, 8mm PE-Plug, Soft without insertion barrier for Micro-Insert: 100: TC-712 A: 1ml Shell Vial, 8.2mm x 40mm, Clear Glass, 1st Hydrol Class: 100: TC-712 B: 8mm PE-Plug, Transparent (Without Insertion Barrier) 100: TC-712 C: 0.8ml Shell Vial Clear Glass, 8.2 X 30mm, (Without PE Plug) 100