0.20g airsoft BB, high presion, seamless, roundness, polish 0.20g airsoft BB,Brand"GoldenBall"1) high precision, seamless, roundness, polish 2) Perfect spheres and no air pockets! 3) ISO 3290-2001 G1 /G0 certificate, highest industry standard!4) weight =0.20g 5) diameter = 5.95mm 6) Eco-friendly Materials and Mineral used7) color = white, light blue, black, green, or others8) Designed for tight ...