Professional hammer-free technology: Made of heat-treated hardened steel, spring-loaded design, it can provide 3500PSI impact without a hammer!

Safe and easy to use: no need to swing heavy or blunt objects, work in areas that cannot be reached by traditional hammers, perfect in tight spaces and will not damage the surface or decoration

Widely used: nails and marks on the surface of wood, metal and glass. Use it as a screw hole driver and attach nails to small nails to make these tools essential for any carpenter or finisher

Two double-head spring nails, hammer-free nail kit and punching tools provide impact force. It is very suitable for small spaces. This precision CNC machining kit is made of heat-treated hardened carbon steel with corrosion resistance and oxidation treatment. The hammer-free action ensures precise control for excellent results. Excellent accuracy and control, while being safe and easy to use. This versatile tool is designed to make it easy to make perfectly centered, highly visible marks for drilling holes on any surface. The heavy load of this punch allows you to mark on the hard metal surface and even drive out rivets. Package includes: 2 spring tool pin sets and hinge pin sets Specification: Material: carbon steel Color: as shown in the picture Product length: 12.2 cm/4.80 inches, 13.5 cm/5.31 inches