BOSCH® Go 3.6V Smart Screwdriver is the one tool for common faucet installations and sink strainers. Quickly and easily install new fixtures with certainty. Unique cubed insert provides a variety of common nut sizes. Ideal for most common 2, 3, 4, and 6 tab mounting nuts. Wrench for tight shut-off valves. Retainer for 3 or 4 slot strainer baskets. 5/8" deep welled socket for many single hole mountings. Short body for clearance in tight spaces. Unique cubed insert provides a variety of common nut sizes. Ideal for most common 2, 3, 4, and 6 tab mounting nuts. Wrench for tight shut-off valves. Retainer for 3 or 4 slot strainer baskets. 5/8" deep welled socket for many single hole mountings. Short body for clearance in tight spaces.