Desa International 98690 Power Driver Fastening Tool Ideal for the contractor and do-it-yourselfers Trigger activated for easy operation Uses 1/2" 58046, 3/4" 58047, 1" 58048, 1-1/4" 58049, 1-1/2" 58050, 2" 58051, and 2-1/2" 58052 standard pin power fasteners, 3" washered pin power fastener 77563 , and .22 caliber low velocity power loads