The Bostitch F21PL-E Roundhead MCN Stick Nailer has a waisted body design to improve sightline and a repositioned handle to give balance and comfort in use. Using 21 plastic collated framing nails hot dip galvanized to 50 microns and specially designed positive placement nails. This tool is perfect for all framing and first fix applications where good corrosion resistance is required and of course anywhere you need to drive a nail through a pre formed hole. Comes complete with two noses, enabling a five second change between modes via the push button depth control button. Perfect for all framing and first fix applications. Specifications: Magazine Capacity: 50 (max). Nail Length: PL Series: 45-90mm, MCN Series: 38-65mm. Nail Diameter: PL Series: 2.5-3.3, MCN Series: 4-4.1.