Power to fire MILWAUKEE® 9 gauge barbed collated staples from 40 mm to 50 mm Fires up to 600 staples per charge on a REDLITHIUM™ 3.0 Ah battery pack for maximum productivity No gas cartridges and no cleaning required, designed to deliver durability and reliability to the most demanding users with very little maintenance Tool-free, quick and easy depth adjustment to assure staples are driven to the correct depth so as not to crush the wire Quick access hatch for easy clearing of jammed staples Dry-Fire lockout stops the tool being fired when there are no staples left in the magazine