✅ 45 steel thickened core, anti-deform under heavy extrusion pressure ✅ Anti-rust treated metal parts, resist workshop fluid and humid corrosion ✅ Precision CNC mold cavity, stable single flare size without dimensional deviation ✅ Ergonomic dual-color grip, ease fatigue during repeated flaring work ✅ Hard plastic case with fixed slots, prevent small accessories loss and rust ✅ Produce tight single flare to avoid brake fluid leakage after assembly ✅ Compatible with copper & steel brake lines for general vehicle brake repair ✅ Equipped with dedicated lubricating grease, extend tool service life ✅ Compact portable design, suitable for shop maintenance and roadside DIY repair ✅ Complete all-in-one kit, ready to use without extra accessories.