Compliance with following International Standards:
- ASTM D5
Details:
- Made from fully hardened and tampered stainless steel, Grade 4‑10 or equal
- HRC 54 to 60
- Length approximately : 50 mm (2 in)
- Diameter of needle : 1.00‑1.02 MM
- Weight : 2.5 gram ± 0.05 g