Mod. S40/MDV manual, pneumatic heel nailing machine for lady work, with sequential nailing of 5 cylinders and 7 nails hinged jack Is equipped with an hydro-pneumatic hold-down cylinder with adjustment of the second pressing cycle . The direct nailing is operated after the bimanual command. for this nailing machine are available a wide range of stand-jacks. This machine complies with accident prevention regulations and industrial health.