The Makita AT638A is a narrow crown stapler with an operating ait pressure range of 70120 psi. By pressing the push button, air from the compressor can be bypassed into the air duster nozzle to produce powerful air blast for clearing up jobsite floors or workpieces. The AT638A also features a window for checking quantity of remaining staples as well as an easy to see slim nose tip. Features & BenefitsTool-less depth adjustmentErgonomic soft gripContact trip and sequential shot selectionJoist hookProtective bumpers protects workpiece and body from scratches or damageEasy to see slim nose tipAir dusterWindow to check quantity of remaining staplesTool-less staple jam clearing Specifications Magazine Angle: StraightStaple Length / Gauge: 1338mm / 18GOperating Pressure (psi): 70120 psiOperating Pressure (bar): 4.98.2 barMagazine Capacity: 100Net Weight: 1.2kg Contents Makita AT638A 18 Gauge Narrow Crown Air Staple GunSafety Glas