Building a 40' x 60' steel structure requires an experienced team. We're a bunch of rednecks though, so what can go wrong? And we have a lot of tools. However, we bought this one because hanging the sides of the sheet metal and roof required a precisely adjustable torque screwdriver. and this small number did exactly what we asked of them. Battery life was exceptional, being light enough to toss between crew members and durable enough to take a hit if the pizza got in the way. 😁👏👏👍