Arrow T50HS T50HS PowerShot Advanced Staple Gun and Nailer • Uses all sizes of T50(R) heavy-duty staples & 2 sizes of brad nails 5/8" & 9/16";• Advanced Torsion-Drive Technology(TM) ;• 34% less work than Arrow(R) T50(R) Stapler ;• Shorter grip ;• Ideal for general repairs, professional uses, upholstery, insulation, and light trim;