100-piece professional mechanical tool set with a 3.6V cordless electric screwdriver ⭐ Comprehensive 100-Piece Set: Combines essential hand tools with a cordless electric screwdriver in one case ⭐ 3.6V Cordless Electric Screwdriver: Suitable for quick screwing and unscrewing, maintenance, and installation tasks ⭐ Includes 1/2-inch and 1/4-inch bits and sockets to cover a wide range of mechanical and maintenance work