- U shape shank provides better comfort\n- Open end angle 15º with a slimmer head for better accessibility\n- 12 points Dynamic-Drive Profile provides longer life for screws and nuts\n- Ring end angle 15º for knuckle clearance or better grip\n- Bigger and bi-directional size marking for easy identification\n- Chrome plated Micro Matt finishing provides high quality surface\n- Patented U shape design