PowerShot Advanced Torsion-Drive Technology requires 34% less work to use. Ergonomic Forward Action Design delivers powerful, consistent, and hassle-free performance. A sleek die cast aluminum housing, steel handle with soft overmolded comfort grip, and convenient bottom load magazine make this tool a true workhorse capable of tackling even the biggest jobs. Use T50 staples or 18 ga. brad nails. Ideal for general repairs, professional uses, upholstery, insulation and light trim.