Selective Actuation (Sequential/Contact). Cylinder valve drive system for rapid response and increased durability. Open nose for ease of clearing jams. Rafter hook and 2-piece magazine included. Tool-less depth adjustment for easy depth of drive setting. Rubber grip for comfortable handling. Hardened claw tip resists wear on the nose and minimizes slippage. Fastener Specifications: 16 degree wire collation, Diameter .099" - 0.131", Length 2" - 3-1/4". Operating Air Pressure: 700-120 PSI. Nail Capacity: of 200-300 nails. Side loading. Dimensions: 12-13/32"L x 5-13/32"W x 13-11/16H". Includes: Safety Glasses.