Our M18 FUEL™ 21 Degree Framing Nailer Extended Capacity Magazine will keep you productive all day by increasing your nailer magazine capacity to accept two full strips of nails. This means you will experience less downtime due to reloading and have a more productive day overall. This innovative accessory is compatible only with the M18 FUEL™ 21 Degree Framing Nailer (2744-20). FEATURES Accepts two strips of nails 78 nail magazine capacity Compatible with M18 FUEL™ 21 Degree Framing Nailer (2744-20) Nail Lengths: 2" - 3 1/2" Nail Diameters: .113" - .148" Bottom loading design Nail collation angles displayed on tool Simple, quick installation