This Universal Bump Keys 21 Piece Super bump key set comprises of 21 beautifully cut keys covering the most popular locks. This set comprises of one of each of the following: Legge 5 pin, Corbin 5 pin, Viro 5 pin, Asec 5 pin, Iseo 5 pin, Ruko 5 pin, Era 5 pin, Mila 5 pin, Yale 5 pin, Ces 5 pin, Gege 5 pin, Chavo 5 pin,Gege 6 pin, Yale 6 pin, Chubb 6 pin, Tessa, Winkhaus, Master, Yale X, Union, Cisa. We have picked the most popular key profile for each lock make. Please note these are specialist keys and require a great deal of time and skill to master. You will also require a bump hammer for best results.