Series GB4 Series Item GB4025C Weight(g) 0.25 Diameter 5.95 Tolerance +/-0.01 Roundness 0.01 Hardness(Newton) 400~500 Material Plastic+CaCO3+BaSO4 Color( C:PMS No.) White,Black,...COLOR(C:PMS NO) FOR 6mm AIRSOFT BB GUNS BIODEGRADABLE 通過德國萊茵TUV測試 ，符合ISO14851標準
