Spec Sheets BT54xB-2.5M series T-nail Support October 03, 2020 18:17 The model #s included on this spec sheet are: BT540B-2.5M BT541B-2.5M BT543B-2.5M BT544B-2.5M Please click the attachment below to view. Related articles Spec Sheets BT537B T-nails How can I tell when my Bostitch tool was manufactured? Where can I find tech specs for the Bostitch BT481H-2.5m, BT424h-2.5m, BT461H-2.5M bt499h-2.5m and BT481H-2.5 nails? How do I receive certification for Bostitch nails and staples? Comments 0 comments Please sign in to leave a comment.