Leaving only the tiniest of entry holes, the Grex's industrial strength 23 gauge headless pinner is ideally suited for finishing work and detailed woodworking and is perfect for light wood assembly, molding and decorative trim, dowel and joint pinning, mirror and picture frame assembly. The Grex headless pinner utilizes an innovative and patented magazine that eliminates the need to adjust for different fastener lengths. The powerful motor will drive fasteners with ease, even into the hardest of hardwoods. The compact, lightweight, slim profile is designed for maximum maneuverability and the rear exhaust with built-in silencer makes the Grex headless pinner truly the "Best in Class". P650 - 23 Gauge Specifications: Dimensions: 7.75"L x 8.75"H x 1.75"W (20cm x 22cm x 4.5cm).Weight: 2.68 lbs. (1.2 kgs). Operating Pressure: 60 ~ 100 psi (4 ~ 7 bars) Fastener Type: 23 Gauge headless pins. Fastener Range: 3/8" - 2" (12mm - 50mm). Fastener Capacity: 1 strip (approx. 100 pins). Air Inlet: 1/4" (6mm) NPT male plug.