For industrial-strength fastening, look no further than this collated screwdriver from Senco for quick, efficient operation on the job or when tackling large home improvement jobs. The high-powered performance of a 5.2 amp motor drives 1-1/4 In. to 3 In. screws into a wide range of materials. The adjustable depth of drive allows you to select the appropriate setting for each task so you get precise countersink every time. Take advantage of the trigger lock mechanism for continuous workflow when you can't afford to be slowed down.