Compatible models CMQSP-M6, M8, M10, M12, QSP50N3(-MH)? 280N3(-MH), 100N4(-MH), 200N4(-MH) Tip dimensions (opposite side x hole diameter x depth): 0.2 x 1.0 x 3.1 inches (4 x 2.5 x 8 mm)