RYOBI introduces the 18V ONE+ Cordless Compression Drive 3/8 -inch Crown Stapler with 1.3 Ah Battery, Charger, and Sample Staples. 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 -inch to 9/16 -inch. Backed by the RYOBI 3-Year Manufacturer's Warranty.