High quality precision tool made for assembly of stems, handlebars and seatpost. This tool will help you make sure everything is mounted and assembled at the correct torque. Of course, it has been calibrated to the ASME B107.14-2004 standard and has a tolerance of +/- 4 %. The certificate stating the date of the test and results at 2 Nm, 9 Nm and 15 Nm is included. This is the perfect tool for those looking for high-quality precision and great looks.