Milwaukee 48-96-1215 Round Head 3-1/4-Inch by .135-Inch by 20 to 22 Degree Plastic Collated Galvanized Framing Nail (4,000 per Box) 4,000 per box Fits Milwaukee 7100-20, Bostitch, DeWalt, Duo-Fast, Hitachi, Porter-Cable, RIDGID, Senco, and most other 20-22 full round head, plastic collation nailers.