Aerosmith® developed the AT150 tool to help you SAVE TIME and MONEY when installing insulation to light gauge steel, CMU, or concrete. The “GT” series tools provide cordless high performance, which features a lithium-Ion battery, is simple to use, and easily installs 1” to 6” plastic washers. The tool features a quick-release barrel that makes storage super simple! The AT150 compliments our tool offering with a 100 PSI pneumatic option that handles hard concrete and light gauge steel with ease. Perfect for enclosed environments and extreme cold.