S.U.R. & R Tools Transistors Germanium P423 analogue SFT163, SFT358 USSR 50 pcs Transistors Germanium P423 analogue SFT163, SFT358 USSR 50 pcs There are more than 25 000 items in our stock. The full listings can be found here www.amazon.com/shops/A19NX3RFNSYB6R If you can't find the item you need, you may contact us.