The Grex P650LX 23 gauge headless pin nailer drives pin nails ranging from 1/2" to 2" in length. Comes with one-year warranty and durable plastic carrying case. Industrial grade design allows for years of use. Features a lightweight yet powerful design for maximum comfort and penetration into hardwoods. The Grex P650L also features an auto-adjust fastener mechanism for different fastener lengths, lock-out to prevent dry firing, handy belt hook, double trigger saftey, rear exhaust with silencer, removable no mar rubber tip, comfortable rubber grip, and alignment guide for precise pin placement.