**IMAGES ARE FOR REFERENCE ONLY AND MAY NOT REPRESENT ACTUAL PRODUCT** The KFS-12 Electric Driver (CT5408) combines the power, and capability, of the SB-400C (CT5405) and the SB-650C (CT5406) electric drivers to install inserts up to 3/8" and M12. The Quick-Disconnect hex shaft allows for fast and easy mandrel exchange. The auto-reversing feature enables faster installation time. The adjustable torque helps prolong the life of installation mandrels.