Tool for locking and unlocking aluminum oscillating weights, with 2 interchangeable stainless steel heads Bergeon 6923 Heads: 6923-T-2892, Ø 10.30 mm and 6923-T-7750, Ø 7 mmMade of anodized aluminum.With 2 quick-change stainless steel heads.Head A (Ø 10.30 mm.) for Calibers No: No ETA 2892 - 2893 - 2894 - 2895 - 2896 - 2897. Head B (Ø 7 mm) for Calibers No: Valjoux 7750 - 7770. Valgrange A07111 - A07161 - A07271.
Oscillating weight bolts
