Sets Staples & Nails Right On Virtually Any Surface Up To 60% More Power--more Versatility On The Job Easier To Squeeze Patented Design--less Fatigue On The Job Hi and low Power Setting--drive Into Hard And Soft Surfaces Ergonomic Rubber Grips For Comfort Integrated Wire Guide--safely Install Low Voltage Wire Bottom Load Magazine Shoots 6 Sizes Of T50 Staples--1 and 4"-9 and 16" & 18 Gauge Brad Nails Up To 1"