9 www.zeropointusa.com ZERO POINT PROPRIETARY 757.721.6601 Spanner Wrench The Spanner Wrench is used to remove the breech cap in the event of overtightening. It is recommended to hit the spanner wrench on the flat surface to untighten the breech cap. Knockout Rod The Knockout Rod can be used to remove expended rounds. The end of the rod is threaded for use with the cleaning brushes. The Probe found inside the Knockout Rod is used to tighten the Multi-Use Tactical Targeting System (MUTTS) stand.