3D Billet Products Bolt on / Clamp on design, No heavy modification required to install bolt knob cover Custom CNC billet 6061 aluminum / Made in the USA! 90 degree angle design is perpendicular to the rifle bore Gives shooter much needed clearance for operating action with large tube diameter scopes Keeps your rifle stock and easily uninstalls with one bolt 3D Billet Products Designed Billet Aluminum Bolt On / Clamp On Bolt Knob Extension Handle For Remington 700 (Tactical Version) CNC Machined Billet 6061-T6 Aluminum Drop On Bolt Action Knob Extension Handle. Gives Your Stock Remington 700 Bolt Action Rifle The Extra Clearance That Is Needed With Large Diameter Tube Scope Frames. Improves Overall Feel And Operation Of Cycling The Rifles Action. No Customization Is Necessary, Unlike Most Other Brands That Require You To Use A Gunsmith To Cut And Weld Or Drill And Tap The Existing Bolt Action Arm In Order To Install Competition Brands. Drop On Design That Is Simple To Install And Is Ready To Use Outside Of The Box. Bolt Extension Handle Is Perpendicular To Rifle Bore To Help From Loosing Grip. Two Rubber O-Rings Are Included To Make A Snug and No Slip Fit Without Damaging The Stock Rifle Bolt Action Knob. Hard Anodized Finish To Handle Repetitive Use And To Match With Most Finishes On Majority Of Rifles. (Rifle Bolt Action NOT Included) - (BLACK)