3-1/2 in. Full-Size Palm NailerRIDGID introduces the 3 1 2 in. Full Size Palm Nailer. This nailer is compatible with 4d 16d common bulk nails 1 1 2 in. 3 1 2 in. long. It has a magnetic guide for precise fastener placement and a tool free micro adjustable depth of drive to give you accurate depth while protecting your work surface. It is ideal where space prevents hammer swings or the use of bulkier tools and for positive placement applications. It operates at 50 psi 120 psi air