The MRS-RH20 Expandable Retriever Hook is included in the MRS-24 Magnetic Retrieval System Kit to fish wires through walls. The retriever hook features the following:
Extends to 20 inches long and contracts to just 4 inches for easy storage
Allows for easy grasp of the ring and ball chain
Metal material allows the retriever hook to easily connect with the magnetic retriever (sold in MRS-24 full retrieval system kit)