1. No shedding/Anti-static/Good toughness 2. Metal handle+bristle/wire brush application to mainboard chip welding glue removal/IC pad cleaning 3. Double-ended brush design: One brush for multiple uses, complementary functions, comfortable grip/applicable 4. Made of pig bristles, will not damage the motherboard, anti-static, easy to clean, and more durable 5. Made of fine steel wire, high hardness, no deformation at high temperature