Jitongxue JS-03 2.35mm Diameter Spherical Straight Needle Laminate Grinding Heads Features: Laminate tungsten steel grinding tip, precision knife teeth, high speed and stability, wear-resistant and durable 0.3mm is suitable for Apple solder joints/0.4mm is suitable for Android /0.5mm is suitable for middle-layer big points such as Huawei Spherical carving knife, large-capacity spiral flute design, fast chip removal without blocking the knife The tip blade is sharp and durable, large-capacity spiral chip flute, a fast chip removal, used with electric tools to save time and effort High concentricity without shaking the knife, compatible with various models, cutter body straight concentric shaft, no knife jumping and shaking problem High-speed alloy steel material, strict quality control, tighter bite, no knife jumping, and shaking problem Various specifications are available, a variety of specifications can meet the needs of different processing scenarios Package includes: 1 x Grinding Heads