Frozen pipe clamp is an imitation of similar foreign products cryopreserved tool that can clamp diameter of 50mm vials. Vials made of stainless steel clip, due to heavy and not float, so without any fixed, based on the size pails designed the following four models. Frozen pipe clamps to use: 1, the recess to be frozen vials of frozen pipes embedded in the folder, if smaller vials (diameter 10mm), available in two fingers raised the frozen pipe clamps corresponding edge press to the middle rope 2mm. 2, will be embedded in the vials frozen pipe clip into the pail, and then stored in liquid nitrogen containers pails. 3. To remove the vials, simply nudge with your fingers frozen Pinch long circular cave behind the introduction of vials to be taken. Product link address: http: //www.bdf0575.com/product/wlhwq/120.html welcome users to buy, consult product information, please call: 400-6367-851