The PneuTools MPN-1 is a super light-weight Mini Palm Nailer, for Joist Hangers, Truss Installation, Fencing, and Frame Installation applications. • This Mini Palm Nailer will accept bulk nails up to a .344 head diameter. • It is specifically designed to access very small and hard to reach areas, and with it"s tough, yet ergonomic design, it weighs only 1.1lbs. • The PneuTools MPN-1 delivers the very best Power to Weight Ratio in the market, because it has well designed Solid Steel Internal Sleeve, that gives it better Driving Power then other Mini Palm Nailers out there. • It also has a built in Magnetic Nail Holder that makes installation easier, so you aren"t fumbling with nails, or putting your fingers at risk of being hit!