VISM AR15 Castle Nut Crows Foot Tool Black. AR15 Crows Foot Lower ToolAR15 Crows Foot Lower ToolAR15 Crows Foot Lower ToolAR15 Crows Foot Lower ToolAR15 Crows Foot Lower Tool Specifications for VISM AR15 Castle Nut Crows Foot Tool: Manufacturer: VISM Color: Black Finish: Black Handle Material: Steel Blade Material: Steel Fabric/Material: Steel Condition: New Features of NcSTAR AR15 Crows Foot Lower Tool For Use on AR15 Castle Nut Steel Construction Matte Finish Black: 1/2 and 3/8" drive compatible" Package Contents: VISM AR15 Castle Nut Crows Foot Tool VISM VTARCFLWR: AR15 Castle Nut Crows Foot Tool Black