Locksmith Tools 2 in 1 SC1 SC4 SC20 Civil Lock Opener Hand Professional Locksmith Hand for Door Measuring Master Key
SC1 5-pin 2-in-1 Lock Picking Tool
SC4 6-pin 2-in-1 Lock Picking Tool
SC20 2-in-1 Pick & Decoder has been designed to work with Schlage L master multiple keyways, including the popular SC4 keyway
Packaging: 1 piece Lock Picking and Decoding Tool Kit
Difference Among SC1 SC4 SC20
Keyway: SC1&SC4 are for C keyways
SC20 is for L Keyway
SC20 is good for the occasional non C keyways you come across. The SC20 is very thin, you could use it in a 5pin but it will twist a lot if you're heavy on the tension. For SC4, you can use it fine in 5 pin, just have to adjust on the markings, but this is quiet professional skill, you need to practice it
