The ACT Packer Retrieving Tool is required to retrieve seal bore hydraulic set retrievable packer. Each packer has a unique retrieving tool but all have same basic design. Latch feature latch into the top thread of the packer. A pull shear the shear screw of collet support and release the packer. If packer cannot be released with the help of right hand rotation collet will be free from safety nut and latch can be backed out.