Maintenance-free motor designed to deliver long life * Internal piston catch for consistent max power on every shot * Tool-free depth-of-drive adjustment with detents for proper setting of nail heads * Drives 16 ga. FN style finish nails from 1-inch to 2-1/2-inch length; Tool-free jam release mechanism for easy nail removal * Includes: Safety glasses, one ¼? fitting, finish nails, and carrying case