The senco ds7525 dura spin screwdriver has the capability to drive 25 75mm screws making it perfect for the professional general contractor driving a wide variety of screws into many different applications the variable speed trigger with lock and reverse allows for a greater control over speed making it perfect for a variety of applications combining the versatility of our patent pending corner fit feed system and high torque 2500rpm motor you can count on this tool to drive into almost any appl