Grex 20 Ga. 1/2 in. Crown Auto-Fire Long Magazine Stapler, 3/16 to 5/8 in. is designed to meet the demands of fast-paced production with its doubled staple capacity and auto-fire functionality. This stapler features a longer magazine that holds two full strips of staples, allowing for extended use without frequent reloading. The patented auto-fire speed dial lets you adjust the firing rate from single staples to rapid-fire, providing versatility for various projects. It drives 20-gauge, 1/2 inch crown staples ranging from 3/16 inch to 5/8 inch in length, suitable for heavier flat-wire staples with a wider crown and thicker gauge. The stapler is built with a lightweight aluminum body for all-day use, a slim profile for maximum visibility, and a rubber handgrip for comfort. Additional features include a heavy steel head cap for hammering, quick release magazine latch, rear exhaust with silencer to reduce noise, and compatibility with Duo-Fast 5000 series and Senco F series staples. This model is available in four designs, with the 50AFLM ing the auto-fire long magazine for continuous speed and efficiency. Model Number: 50AF-LM