Self-sufficient power system instead of extra supply. Clear view with day-light LED. Fit NSK 4H Quick Coupler. Ø 10.6 H14. 0.18 -0.21 Nm. 0.22- 2.5 MPa. 300,000 – 400,000 r. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. You feedback is VERY important to us! We strive to exceed all your expectations and put a smile on your face. We stand behind our products and pride ourselves on OUTSTANDING customer service.