The Badger Ordnance Mini Tactical Bolt Knob allows rapid bolt manipulation, even with gloved hands. The increased dimensions offer unparalleled control. The Mini Tactical Knob also provides an emergency 1/2" wrench for removal or tightening of the scope rings in the field. Threaded 5/16-24, Machined from 7075 T6 Aluminum alloy to reduce weight and Mil Spec Type III Hardcoat Anodized Black.