The TA238A/18-6 is a 1/4-Inch crown 18 Gauge stapler that shoots 1/2-Inch to 1-1/2-Inch in length staples. The newest tool from MAX the leader in pneumatic tool innovation. Professional Contractors like this tool for it's features and durability. This tool features a screw in driver blade that lasts on average 4 times longer than pin style. Also super high durability bumper.