<br />Custom engineered steel - Milwaukee® custom metal formula makes the SHOCKWAVE™ bits more resistant to shock from impacting.<br /><br />Optimised SHOCK ZONE™ absorbs up to 3X more torque.<br /><br />Dual internal magnets ensure magnetism to fasteners.<br /><br />Auto-Locking - One handed bit release.<br /><br />¼″ Hex reception (DIN 3126 - E 6.3). Very suitable for high torque and impact applications.">