HIGH QUALITY - The spring loaded nails are made of high quality heat-treated 40CR. High-quality springs provide powerful impact without a hammer, making your work more efficient EASY TO USE - Just point where you want to work, pull it apart and release the spring for a powerful impact, perfect for some places where traditional hammers 't work Widely used for finishing nails and marking on wood, metal, glass surfaces. Removes or trims hinge pins and can also be used as a transfer punch for fabrication projects, making these tools a must-have for any carpenter or finisher Colour:silver Material:40CR Size: 19.5 x 7.5 x 1.1cm Package Contents: 1 x Spring double headed nail punch 1 x Spring single nail punch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.