Convert any ratchet into precision torque wrench with this digital display torque adapter. A progressive notification alerts you when reaching specified torque. This torque adapter has a for Peak mode to show final torque results after you've removed the wrench so you can confirm the correct spec. TRACK mode displays torque value as pressure is applied, prevents over-torquing. for Peak mode displays highest torque value after load is released., Manufacturer: MMHHHG