This Senco SNS40 air stapler is a reliable and efficient tool for any DIY or professional project. With a maximum working pressure of 120 psi, it can handle a variety of materials and tasks. Its 16 gauge nail gauge and straight nail gun angle make it suitable for crown stapling jobs. The gray stapler is manufactured in the United States and has a model number of SNS. It is perfect for use in air nailers and staplers as well as air tools and compressors. If you're looking for a high-quality stapler, this Senco SNS40 is a great choice.