Used throughout the Geotechnical Sampling Industry, this 1" long liner Can be stacked on top of each other to take the place of a traditional 6" long liner. These precisely cut 1" rings are designed to fit inside many of the geomatic lab testing equipment. The 2.5" Outer diameter of the liner allows it to fit seamlessly inside the AMS Soil Sampler or the Cal Mod Geotechnical Split Barrel Sampler with a 2.5" ID.For questions about this product or any of our Sampler systems, please call us at 888-511-4377