Item No.: H37G073

Material: made of quality 40 CR steel material,spring-loaded
  design, you can deliver 3500PSI of impact striking force
 without the need for a hammer, one replace two, make your
 work more efficient!
 Requires no bulky or blunt objects to be swung, working in a
  conventional hammer might not reach, perfect in tight
 spaces, does not damage the surface or trim.
 Finishing nails and marks for wood, metal, glass surfaces.
 The pack includes one dual head nail setter with head sizes
 3/32"&1/8"
 Product length:5.3in/134mm