Holmen Pellet Durability Testers are exclusively Made in Britain by TEKPRO Ltd. They provide a quick and easy way of testing pellets.The Holmen Pellet Durability Test is a form of testing that is recognised worldwide. Four models are available in the range, providing a solution for any mill or pellet production facility To monitor and maintain their Pellet Durability Index results. A practical alternative to the KSU Tumbling Can method of testing durability