Caliber: 4.5 mm. Quantity: 350 pcs. Weight: -4 x 0.547 g - 4.50, 4.51, 4.52, 4.53 mm. -1 x 0.510 gr - 4.52 mm. -1 x 0.670 gr - 4.52 mm. -1 x 0.535 gr - 4.50 mm.