If you use Browning invector choke tubes, then the Browning dual invector wrench is a must. The dual invector wrench allows the shooter to install or remove any invector choke tube in seconds with just a few turns. The dual invector wrench fits 12 & 20 gauge, standard invector and 10 & 16 gauge standard invector choke tubes. Specifications: - Type: Choke Tube Wrench - Gauge: 10, 12, 16, 20, & 28 - Choke size: ALL - Model: Wrench, Invector - Finish: Black