1. New designed strong & light die cast aluminum / magnesium alloy body. 2. Drive standard 15 degree wire-collated roofing nails from 3/4" to 1-3/4" in length. 3. 360 degree adjustable exhaust cover. Allows air to be directed away from the operator and the materials being fastened. 4. Comfort rubber grip. 5. High impact engineered plastic magazine with adjustable bottom steel plate. 6. Penetration depth adjustable for avoiding stapling marks. 7. No-mar tip storabel in the canister: Ensures undamaged wood surfaces. 8. Dual action for this tool. Widely applied in floor and wall framing, siding installation, wood box assembly, fencing fasterning lath wire on the plywood, roof and wall heathing.