100 piece impact driver set with bonus packout case included. Wear guard tip protects fit over the life of the bit Shockzones are optimized in both length and width per tip type for best performance across tip types Laser hardening at the tip creates an outer protective shield for improved wear resistance Customized geometry and heat treatment per tip type for best performance across tip types Up to 50X life verses other impact bits Laser etched size for easy identification Designed for use with impact drivers and drill drivers (48-22-8436): slim design for organization of small items (48-22-8436): IP65 rated weather seal (48-22-8436): no-travel bins seal prevent small part migration between bins (48-22-8436): clear top for easy identification of contents (48-22-8436): includes 4 small and 1 large bin (48-22-8436): heavy-duty latches (48-22-8436): reinforced hinge (48-22-8436): modular connectivity with ALL PACKOUT components