Dental Sectional Matrix System Contoured Metal Matrices Refill Matrix Bands

M4 Matrix Bands – 0.038 mm Thickness. Key Features – M4 Bands. Narrow 18.6 mm Dark green (matches bands). R6 Nickel‑Titanium Alloy Rings. Complete system – One box contains all four band sizes plus both narrow and standard rings, ready for any Class II case – from paediatric to complex molar restorations.