3x Bostitch M111 O-ring Rebuild Kits3 O-ring Kits for the bostitch M3 For Bostitch flooring cleat stapler MIIIFS M3FS MIIIFN M3FN MIII886 MIII812 KTBO111 RBK9 Post navigation N80 Bostitch Framing Nailer Bostitch Roofing Coil Nailer RN46 RN46-1 Top End Repair Kit