The Abdos Single Hand Cryo Holder Rack is designed to significantly improve efficiency in the lab by allowing for the single-handed opening and closing of 'Abdos' Star Foot Cryo Vials. The rack is made from strong Polycarbonate (PC) and features special grooves on the bottom that lock the star foot of the vials in place. This unique design enables the user to unscrew or screw on the cap with one hand, freeing the other hand for sample handling. Key Features & Benefits Single-Hand Operation: Specifically designed with grooves to lock 'Abdos' Star Foot Cryo Vials, enabling one-handed cap opening and closing. Durable Material: Manufactured from strong Polycarbonate (PC) that can be used at a wide range of temperatures. Capacity and Design: Holds 40 cryo vials in a 4 x 10 array and is stackable for easy storage. Autoclavable: The rack can be autoclaved. Certified Pure: Certified free of DNase, RNase, endotoxins, heavy metals, human DNA, ATP, and pyrogens. IVD Certified: This product is IVD certified.