C.S. Osborne No. 777 Quick Nailer Set up to 5 nails head to head at one time without damaging the furniture or your fingers. Use with Osborne No. 36 nylon tip hammer for best results. Exact spacing at the same time. Load large end of tool making sure nails are perpendicular to and shanks are flush with base of tool. Position tunneled section of tool over last nail driven and begin setting nails. Remove of tool may require twisting motion and/or pressure against nail heads with free hand.