![Knife Locking Mechanism Infographic Part II - The Knife Blog | Spyderco knives, Friction folder, Knife Knife Locking Mechanism Infographic Part II - The Knife Blog | Spyderco knives, Friction folder, Knife](https://i.pinimg.com/736x/8b/50/b0/8b50b0847a5ab510b4c5f4b12a794810.jpg)
Knife Locking Mechanism Infographic Part II - The Knife Blog | Spyderco knives, Friction folder, Knife
Master Lock 2-7/8 in. W Die-Cast Zinc Dual Ball Bearing Locking Padlock - Total Qty: 1; Each, Count of: 1 - Kroger
Master Lock American Lock 2-7/32 in. H x 1-1/8 in. W x 2-1/2 in. L Steel Ball Bearing Locking, Count of: 1 - Mariano's
![LockPickingLawyer on X: "I vaguely remember reading that the American Series 10 was the first production lock with a ball bearing locking mechanism… but I can't find a citation. Can anyone out LockPickingLawyer on X: "I vaguely remember reading that the American Series 10 was the first production lock with a ball bearing locking mechanism… but I can't find a citation. Can anyone out](https://pbs.twimg.com/media/FsMq19oXwAAu_Dp.jpg:large)