Feature:1. Spring Design: Made of heat treated hardened steel, spring loaded design, provides 3500PSI impact force without hammer, one for two, making your work more efficient!2. Easy To Use: No need to wiggle bulky or blunt objects, work in areas a traditional hammer might not attain, perfect in tight spaces, and won't damage surfaces or trim.3. Material: Made of high carbon steel, stable, strong, durable, good performance, suitable for home and professional use.4. Includes: The package includes a stud holder with head sizes 1/32in and 1/16in, and a hinge pin removal punch.5. Applicability: For finishing nails and markings on wood, metal, glass surfaces. Removing or adjusting the hinge pins also acts as a transfer punch for manufacturing projects, making these tools a must have for any carpenter or finisher.Specification:Item Type: Nail Set ToolMaterial: High Speed SteelQuantity: 2 Double Ended Spring NailsProduct Size: Approx.11.8cm/4.65in11.9cm/4.69in.Package List:1 x Pen Tip1 x Chisel