Same day shipping Mon - Sat.USA: Free Shipping via USPS First Class MailOther countries: Shipping via International Mail for $1.50(50 count)Bearing Balls.Included a few extra for good measure -SRBS use 36; MRBS use 42.Verified fitment with SRBS, MRBS equipped models and variants of: Quantum, F95, F3, Neon, 111, Hati, and Stellar.
Choose between:(a) AISI 440C | Stainless steel.(b)Si3N4Silicon Nitride | Ceramic.(c)ZrO2 Zirconium Dioxide | CeramicAISI 440C Stainless steel:Higher hardness for more longevity, lower corrosion resistance to AISI 420. A mild upgrade to original Shirogorov AISI 420 ball bearings.
Si3N4Silicon Nitride Ceramic vs.ZrO2 Zirconium Dioxide Ceramic:They carry near identical attributes as ceramics. For a pocket knife, where they deviate is the user's preference for specific attributes. Si3N4's lower requirement for lubrication where they can be run dry without performance degradation, whereas ZrO2 is even more resistant to abrasion. They are both Grade 5 in finish and sphericity, and in a blind test, the differences are not distinguishable.These ceramic ball bearings cured a slow and stiff F95T Gen4, and added additional corrosion resistance to the main moving parts of the knife.Like my other listings, the on-hand quantity does reflect actual inventory.
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