16-gauge. Ideal for component assembly, paneling, trim, casing, molding, cabinet, and furniture making. For use in Porter Cable model No. FN200, FN250, FN250A, FN250B, CFN250, Paslode model No. IM250F, 3250-F16, Hitachi model No. NT65A, DuoFast model No. BFN-740, LFN-764, Campbell Hausfeld model No. NB00500, NB006500, Airy model No. ATE350 and AT64. 2500 per box. No. FN16125: Gauge: 16 ga, Size: 1-1/4", Pkg Qty: 2500, Package Type: Box No. PFN16150: Gauge: 16 ga, Size: 1-1/2", Pkg Qty: 2500, Package Type: Box No. PFN16200: Gauge: 16 ga, Size: 2", Pkg Qty: 2500, Package Type: Box No. PFN16250: Gauge: 16 ga, Size: 2-1/2", Pkg Qty: 2500, Package Type: Box