Action Impact Socket Set magnetic reducers

4 Piece Magnetic sleeve insert adaptors in set. Contents: Magnetic reducing sleeve 1/4"F x 3/8"M Magnetic reducing sleeve 3/8"F x 1/2"M Magnetic reducing sleeve 1/2"F x 3/4"M Magnetic reducing sleeve 3/4"F x 1"M. Packaging: Blow-Mold Case The magnetic sleeve adaptors allow the temporary use of bigger impact sockets on smaller tools. By means of the magnet, chances of loosing the adaptor are reduced. Especially well suited for the service kit of the travelling mechanic, doing the service to heavy equipment.