100pcs Solid Copper Ball Valve And Electrical Accessories Brass Ball Dia 1/1.2/1.8/2/2.5/3/3.175/3.5/4/4.5mm
https://www.vogueparade.com/shopping/EN/200282142/1/1005003645040955/100pcs-solid-copper-ball-valve-and-electrical-accessories-brass-ball-dia-112182253317535445mm//