Porter Cable 903775 Overhaul Kit for Brad Nailers and Stapler Kit Fits models NS100A, BN125A and BN138 Fits models BN200A, BN200V12 Type 1 and BN200V12 Type 2 Fits models FCP350, NS150A Type 1 and NA150A Type 2 Porter Cable engineered this model for professional results at a great value