The NEW HTX50 professional hammer tacker has a NEW unique handle design which has an ergonomic soft rubber grip for comfortable all day use. The handle has safety features with a recessed area to protect your hand from scraping and rear slip guard to help keep the tacker in your hand. The HTX50 has a surface guard flange to help reduce damage to breathable membrane roofing felt and vapour barrier surfaces. All internal steel construction and jam proof technology. Loads two full strips of Arrow T50 staples 5/16",3/8",1/2",