This Hilti screwdriver set includes the SD2500 and SD4500 models, along with the SMD57 drywall screwdriver attachment. With its dependable brand reputation and high-quality performance, this set is perfect for those in the business and industrial fields looking for reliable tools. The screw guns are designed specifically for drywall work, making them a great addition to any toolkit. The set is a custom bundle with no additional accessories, and the models are made in China.