The ONE+ Stapler utilizes Compression Drive Technology that uses automated convenience to eliminate user fatigue. With the ability to drive over 5.500 staples using a P108 4.0 Ah LITHIUM+ High Capacity battery (not included). users are guaranteed to get the job done on a single charge. The RYOBI ONE+ Stapler allows you to control your depth of drive with an adjustable knob for improved accuracy throughout various materials. The included screen/wire attachment helps users guide staples without penetrating wire or screen. This stapler is compatible with ARROW T50 staples and fastens a wide range of staples from 1/4 in. to 9/16 in. Battery and charger sold separately.Capable of fixing a wide range of 1/4 crown staples. to 9/16 inches.Built-in dual screen/wire mount allows installation that guides staples without penetrating wire or screen.The button quickly controls the depth of the training settings thanks to various materials.Runs up to 5.500 staples per charge on a P108 18V ONE+ 4.0Ah LITHIUM+ battery (sold separately).Battery and charger sold separately.