A.I.FORCE Thumb Studs are great aftermarket replacements accessories for your knives.We can refresh or revive your old knives, add years to the life of your old knives with very little time or effort, and save much money.Specifications:Item: Thumb StudsMaterial: Titanium AlloyColor: BlackCOMPATIBILITY:Suitable for Benchmade BUGOUT 535 Series Knives, also fit for 535S, 535GRY-1, 535SGRY-1, etc.Note: All items are aftermarket parts, NOT OEM screws.WARM TIPS: To install the Thumb Studs, good quality Torx T6 tools will be needed.Package Included:2Packs x Thumb studsDISCLAIMERThis product is a compatible replacement part manufactured by A.I.Force. All product names, brands, logos, and other trademarks mentioned within this listing are the property of their respective owners. These trademarks are used solely for the purpose of accurately identifying the appropriate parts for a particular knife. A.I.Force is not affiliated with, endorsed by, or sponsored by any of these companies or trademark owners.