The Arrow T50 professional heavy-duty tacker gun has an all-steel construction with hardened steel working parts and jam-resistant mechanism and a durable chrome finish. It has an easy squeeze double leverage operation and a visual staple refill window and over 50 years of tested durability. The choice of homeowners and pros alike. Uses Arrow T50 staples 6, 8, 10, 12, 13 and 14mm (ceiltile) staples. Ideal for use in Insulation, Roofing, Screening, Upholstery & Light wiring.