Designed to offer installers a pneumatic-driven alternative to hand-driven nails， the Simpson Strong-Tie structural-connector nail has been tested and approved for use in many popular Simpson Strong-Tie products. Pneumatic nailers that feature a hole-locating mechanism are often more convenient and efficient than hand driving and the Simpson Strong-Tie structural-connector nail line replaces 8d， 10d and 16d common nails in a variety of Simpson Strong-Tie connector applications. The Simpson Strong-Tie 33-degree collated nails feature 25-nail paper collated strips， compatible with a wide variety of popular pneumatic nailers and an HDG coating that makes them suitable for Zmax and G90 metal connectors from Simpson Strong-Tie.