Excellent power to consistently seat nails sub-flush to the surface in hardwoods Ready to Fire Nail Technology eliminates ramp-up time between each nail discharge No gas cartridges and no cleaning required, designed to deliver durability and reliability to the most demanding users with very little maintenance Two mode selection allows for sequential fire for precision or bump fire for speed Tool-free, quick and easy depth adjustment to assure nails are driven sub-flush Dry-Fire lockout stops the tool being fired when there are no nails left in the magazine