The BOSTITCH PT-16D131FH2 3.5" X. 131" SMOOTH SHANK BRITE PAPERTAPE NAIL, 2000ct feature an off-set round head to satisfy building code in all regions (ICC-ES-1539 Code Complaint). Constructed of an industrial grade carbon steel alloy, with a polymer coating that facilitates drivability and increases withdrawal performance. These nails fit most 30 to 34 degree paper tape mailers. Commonly used for Framing. 2,000 nails.