Anarchy Outdoors Bolt Knob Acorn Style Two Tone 5/16x24 Black ABK-ACR-BLKTT. Two Tone Anodized Acorn Style. Specifications for Anarchy Outdoors Bolt Knob Acorn Style Two Tone: Manufacturer: Anarchy Outdoors Fabric/Material: Aluminum Finish: Anodized Additional Features: Acorn Style Threads per Inch: 5/16x24 Weight: 1 oz Features of Anarchy Bolt Knob Acorn Style Two Tone Dimensions: 1.5" x 7/8" x 7/8" Package Contents: Anarchy Outdoors Bolt Knob Acorn Style Two Tone Anarchy ABK-ACR-BLKTT: Bolt Knob Acorn Two Tone 5/16x24 Black