Texas Weapon Systems Hob Knob Red Small. The TWS exclusive 3-Bolt design is guaranteed to never come loose and fall off. Other makes use a single tiny screw resulting in stripped Allen wrenches frequent loosening and potential loss after just a few shots. Unlike others the Hob Knob uses three beefy 1/4-20 set screws for the most secure attachment. The 3-Bolt design also lets you adjust tilt for the perfect comfortable angle. Light weight anodized aluminum keeps weight down. The meaty size feels positive and comfortable in the hand while axial grooves improve grip. Specifications for Texas Weapon Systems Hob Knob: Manufacturer: Texas Weapon Systems Fabric/Material: Aluminum Finish: Anodized Condition: New Gun Make: Universal Gun Model: Universal Country of Origin: USA Features of Texas Weapon Systems Hob Knob Universal fit on most AK variants Better Grip More Secure Faster Handling Package Contents: Texas Weapon Systems Hob Knob What firearm models does the manufacturer say Texas Weapon Systems Hob Knob is compatible with? The manufacturer says that Texas Weapon Systems Hob Knob is compatible with UniversalTexas Weapon Systems 38102: Hob Knob Red Small