A positionable tool support device is mounted near a work surface for supporting a tool for a user. The tool support device includes a surface mount to secure the tool support device to a support surface. A gravity-balancing articulated arm assembly is coupled to and extends from the surface mount. The gravity-balancing articulated arm assembly is selectively adjustable about both vertical and horizontal axes. A rigid support extension is coupled to the gravity-balancing articulated arm assembly for selective rotation relative to the gravity-balancing articulated arm assembly. A flexible tensile member is coupled to and extends, in a relaxed state, vertically downward from the rigid support extension. The tensile member is coupled to the tool.