Tool to block and unlock the oscillating masses in aluminum, with 2 interchangeable stainless steel heads

Têtes: 6923-T-2892,Ø 10.30 mm et 6923-T-7750, Ø 7 mm

In anodized aluminium.
With fast change of 2 stainless steel heads.
Head A (Ø 10.30 mm.) for calibres No: ETA 2892 - 2893 - 2894 - 2895 - 2896 - 2897.
Head B (Ø 7 mm.) for calibres No: Valjoux 7750 - 7770. Valgrange A07111 - A07161 - A07271.

• 技术资料