Cryogenic vial grippers feature a unique design to grasp internal or external-thread cryogenic vials. Grippers enable to easily sort or move vials while maintaining sterility and protecting fingers from frozen vials, dry ice and liquid nitrogen. 5 per case. Cryogenic vial grippers feature a unique design to grasp internal or external-thread cryogenic vials. Grippers enable to easily sort or move vials while maintaining sterility and protecting fingers from frozen vials, dry ice and liquid nitrogen. 5 per case.