Senco FramePro 602 Full Round Head Sequential Nailer Drives 2- to 3-1/2-inch smooth shank nails (Sencote or plain) and 2- to 3-inch ring shank nails; shank diameters include .113, .120, .131, and .148. Sawtooth safety that digs in for precision toe-nailing Dry fire lockout Adjustable depth of drive 1-year warranty