Percussion Core Sampler

Gas Powered Lower Extensions have knurl marks located on the male end. These sampler tubes give you the option of creating a 2' or 4' sampler. If you are looking to achieve a 2' sample, you WILL need to use the lower tube.   Replacement Parts: ...

Gas Powered Upper Extensions have knurl marks located on the female end. To create a 4' sampler, you WILL need to connect an upper and lower tube together. Upon assembly, you will notice two parallel knurl marks on each sampler tube. Properly connecting...