ITEM NAME:Lab 81 Positions Graduated Cryo Vial White Paper Box 1.8 Milliliter B6W6 Lab 81 Positions Graduated Cryo Vial White Paper Box 1.8 Milliliter B6W6 Designed with 81 sockets, each socket is 15mm x 15mm size. Ideal for laboratory, is convenient insertion and removal of Cryotubes. Product Name : Cryotube Box Material : Paper Each Hole Size : 15 x 15mm/0.59" x 0.59"(L x L) Total Size : 13.3 x 13.3 x 4.8cm/5.2" x 5.2" x 1.9"(L x W x T) Color : White Weight : 94g Package Content : 1 x Cryotube Box Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.