Metabo HPT NP50A 23 Gauge Pro Pin Nailer, 1/2" to 2" Pin Nails, Built-In SilencerINCLUDES: NP50A Pin Nailer, Safety Glasses, No Mar Tip 2, Case, Lubricant Oil TRIGGER: Trigger lock switch protects against unintentional use DEPTH ADJUSTMENT: Depth of drive adjustment to countersink or flush drive into a variety of materials SAFETY: Automatic dry fire lock out prevents the nailer from operating with 6 Nails or less in the magazine MAGAZINE: High grade aluminum magazine provides exceptional durability and protects against jams