Feature:1. DURABLE TIN MATERIAL: This solder ball is made of good quality tin material, stable, durable and can be used for a long time2. CONNECT CHIPS AND PCB: These solder balls are used to connect semiconductor chips, circuit modules and PCB boards, provide great convenience3. TRANSMIT SIGNALS FOR WELDING: Tin solder balls are very small, can transmit electronic signals, very useful for welding work4. ENOUGH QUANTITY: Available in many different sizes, each bottle contains approximately 12,500 solder balls to meet your basic soldering needs5. STABLE AND DURABLE: Tin solder ball for BGA reballing come with stable structure, excellent performance and long service lifeSpecification:Item Type: Tin Solder BallMaterial: TinSpecifications: 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6mmApplication: Tin balls are mainly used to connect semiconductor chips, circuit templates and PCB boards, and ultra small spherical tin electronic parts that transmit electronic signals.Package List:7 Bottles of Tin Solder Ball