Shop for Tools & Hardware at The Home Depot. Most Compact Impact or Design with a Head Length of 5.4 in. Allows the tool to be used in small, tight and hard to reach places with increased comfort. Optimized Impact Performance - Provides the best runtime and control for small to medium duty fastening jobs. Optimized torque limits stripping of screws and shearing off the head of a screw. Bosch Built Hammer and Anvil System - Designed to provide maximum impact endurance and increases toolâ€ s performance in small to medium duty fastening applications. Color: Blue.