Descriptions: The hammer face is made of high hardness, high wear resistant nylon The hammer body is made of precision steel pipe and welded firmly The grip of the steel handle is made of environmentally-friendly anti-vibration elastic material The hammer face can be replaced. Quick press assembly, no looseness and shedding during use Specifications: Material: Steel+Nylon+plastic Color: As picture show Hammerhead diameter: 30mm 35mm 40mm 50mm 60mm Uses: suitable for percussion plastic parts, electronic components, woodworking pieces, not leave traces of percussion, no damage to the workpiece