5LB 1-5/8 PC DRYWAL NAILSKU: 749854Do It Cup-Plate Head. Designed to countersink into the face of drywall. Smooth shank. Diamond point. For securing drywall to studs. 12 1/2 gauge. 19/64 in. head. Interior Use. Item Attributes: Length: 1-5/8 In. Finish: Phosphate Diameter: 12-1/2 ga. Head Diameter: 19/64 In. Shank Type: Smooth Head Type: Cupped Point Type: Diamond Package Size: 5 Lb.Prop 65 Warning: Cancer and reproductive harm. www.P65warnings.ca.gov