GearWrench drive tool line includes 3-piece sets of magnetic adapters, universal joints, and extension bars as well as spring universal joints with drive sizes of 1/4, 3/8,1/2 in. Magnetic core tip extends through bottom of socket, enabling users to reach deep inside engine compartments, dashboards, sleeves and drive train systems without losing the grip on the fastener. Spring universal joints have internal spring that keeps joint flexible, yet rigid enough for user to guide with one hand.