It is a rim lock dismantling set which enables the rim locks to be dismantled professionally. Used for removing the rim locks without damaging the rim. Opens almost any type of rim lock. It contains the following parts:
8 pieces Hexagon Socket Wrench:

• Ø 18.3 x Ø 16.4 mm
• Ø 19.5 x Ø 17.6 mm
• Ø 20.4 x Ø 18.5 mm
• Ø 21.6 x Ø 19.7 mm
• Ø 22.5 x Ø 20.6 mm
• Ø 23.6 x Ø 21.7 mm
• Ø 24.5 x Ø 22.6 mm
• Ø 25,5 x Ø 23,6 mm and
• 2 dismantling mandrels