Senco SLS20 490105N 3/8-Inch to 1-1/2-Inch Narrow Crown Stapler Powerful yet surprisingly lightweight stapler with carrying case No-mar safety and restrictive trigger reduces the chances of accidental firings Magazine has capacity to hold 168 18-gauge, 3/8- to 1-1/2-inch staples Oil-free design for virtually maintenance-free operation Weighs 2-1/2 pounds