Strong-Drive Collated Connector Nails Strong-Drive SCN Collated Connector Nails from Simpson Strong-Tie are Hot Dip Galvanized (HDG), heat treated steel, smooth shank framing nails collated for use in most 30-33 Degree nail guns. 0.148" shank, roughly 10D, collated at 33 Degrees, 25 per strip, 500 nails per box. Simpson Strong-Tie SCN Smooth Shank Collated Connector Nails: HDG Hot-Dip Galvanized Class D For Medium Corrosion Resistance ASTM A153 Compliant ACQ Approved Smooth 0.148" Shank Smooth Head Head ID Stamp For Simple Identification 33 Degree Collated Strips Of 25 Nails 1-1/2" Or 2-1/2" Lengths 500 Nails Per Box Compatible With Popular Nail Guns Bostich: MCN150 (Up to 1-1/2"), MCN250 (Up to 2-1/2"), F33PT Grip-Rite: GR150 (Up to 1-1/2"), GRSB150 (Up to 1-1/2"), GR250 (Up to 2-1/2"), GRSB250 (Up to 2-1/2") Hitachi: NR65AK Paslode: PF150S-PP (Up to 1-1/2"), F250S-PP Senco: HN150 (Up to 1-1/2"), HN250 Made In The USA Covered By Simpson Strong-Tie Limited Warranty