Rrg-40 Nkọwa nke ngwaahịa Obosara: 16mm Pitch: 12mm A0: 9.35mm B0: 7.35mm K0: 1.10mm Ogologo: 133m Zipu ozi-Gi RRG-40 9.35 × 7.35 × 1. na-ese Budata