Blind Box is a legendary enhancement in Borderlands 4 manufactured by Jakobs. It is obtained randomly from any suitable loot source.

Fixed Weapon Bonuses

• Leaper – Guns with Jakobs-licensed parts gain a 40% Chance to Ricochet non-critical hits.
• Bounce Pass – Guns with Jakobs-licensed parts increase the number of possible Ricochets by 1.

v • e Jakobs manufacture in Borderlands 4 Gear Common BarrelCaskHawkeye HogsheadSamplerSteinTonicTrick Shot Widowmaker Legendary Blind BoxBlood MoonDefibrillatorHat TrickLadykillerMultistrikeOak-Aged CaskOnionQuintainScattershot Weapons Common BalorCucaDullahanInkanyambaKarkadannMukiRougarouThrowing KnifeXiuhcoatl Legendary Bismuth-Tipped DaggerBonnie and ClydeBoomslangBorstel BallistaDoeshotFearstalkerHellwalker Hot SluggerKing's GambitPhantom FlameRainbow VomitRowan's ChargeRowdy RiderSan Saba SongbirdSeventh Sense ShalashaskaSho KunaiSpinning BladeT.K's Wave Truck Pearlescent ConstableGomie

v • e Enhancements in Borderlands 4 Common 100% Real JuiceAutophageBang GangerBreezerCeleritasCherry PopperConfidantDog of WarEternityFamily PackGenesisGluttonGrassroots MovementHaute ShotHawkeye Hero of LaborHoarder Hole PunchHoundstoothInheritorInitiatorInsurance Lead CurtainLeap YearPounder Premature DetonatorPremiereRamshacklerRapid FireSamplerSlammer Sledge Social IntegrationStockpilerTrendsetterTrick Shot UptickValue MagVanguard Volt ActionWidowmaker X-TerminalY-CartridgeZ-Intercept Legendary AccumulatorAssuitAutocannibalBesiegerBig BangerBingerBlind BoxBody CounterChampionCollector Devourer DirectorDisruptor Dog MovementEntanglerEntropicEvolverExtensionFashionistaFlashpanGathererGlacierGummyHat TrickHephaestianHero of BulletHydratorIconJackhammerLadykillerLaméLooperMaestro MultistrikeOuroborosParallaxisPrimadiemPrincipal PumperQuencherQuicksilver QuintainScattershot ScionSlugger Stalwart StewardStudfinderToileTrooper Value-AddValuepaloozaX-InitiatorX-Y ComboY-InitiatorY-Z NexusZ-InitiatorZ-X Junction