Anarchy Outdoors Bolt Knob Dragon Scale 5/16x24 Short 1.5in Black ABK-DS-S-BLK. As tough as its namesake this "short" version of our popular Dragon Scale titanium replacement bolt knob is ready to dress up any 5/16 x 24 threaded bolt. Specifications for Anarchy Outdoors Bolt Knob Dragon Scale: Manufacturer: Anarchy Outdoors Condition: New Additional Features: Dragon Scale Style Threads per Inch: 5/16x24 Features of Anarchy Outdoors Bolt Knob Dragon Scale Highest quality Lightweight & Durable Weight: 2 oz Material: Aluminum Package Contents: Anarchy Outdoors Bolt Knob Dragon Scale Anarchy Outdoors ABK-DS-S-BLK: Bolt Knob - Dragon Scale 5/16x24 Short 1.5in Black