Polycarbonate vial with screw-on cap, 1 1/8 in. diameter x 4 ½ in. (2.9 cm x 11.4 cm). Holds grinding media up to 1/2 in. Fits 2196-16-PE Holder and 2664 Cryo-Block. Grinding load per vial 20 mL. Sold as a pack of 48 Vials with 48 caps (2253C). Related Products: 5 Ml Cryovial.