Diameter of the hammer head: 30 mm Double-sided hammer: Multi-function hammer with rubber and nylon head. The soft surfaces do not hurt your hands and provide a solid strike without damaging the work surface. Comes with removable ends for easy replacement Stable and smooth: The lightweight hollow tubular steel handle shifts the balance of weight toward the head, increasing the force of each stroke, especially in confined workspaces Non-slip rubber grip: Provides a secure hold, reduces vibration, and prevents bounce. Ergonomic design ensures a comfortable grip suitable for prolonged use Ideal for demanding and long-lasting tasks such as working with wood, plastic, leather, jewelry, and crafts Size: 30 mm Features: Premium quality construction High-quality steel handle with ergonomic design for comfortable, extended use Yellow hammer head made of polyurethane, soft and translucent Black part made of high-quality steel, resistant to tapping, non-slip, and oil-resistant Replaceable hammer heads to meet various needs Materials: Steel, rubber, plastic, nylon Color: As shown in image Hammer head diameter: 30 mm Note: Due to manual measurement, actual sizes may vary slightly Color may vary slightly due to monitor brightness and lighting conditions. The physical product is the final reference Package includes: 1 rubber hammer or hammer head