The Imada TKS-250N Puncture Resistance Test Fixtures, 55 lbf Capacity is ideal for testing the puncture resistance of thin films like retort pouches. The adjustable pin holder accommodates diameters 0~3.2mm and includes three 1mm pins. The Imada TKS Puncture Resistance Test Fixtures uses a unique holding system to secure the sample in place and is ideal for testing the puncture strength of a variety of thin films such as liquid crystal film, auto battery cover films, thin aluminum, PET bottles, etc.