Features : • Heavy duty zinc alloy construction • Quick-load blade changing system • 5 blade storage compartment incorporated into handle • Slim nose design >> This new unique utility knife features a multi-use retractable and auto-locking blade. Its die cast zinc alloy construction maximizes job site toughness and durability providing a long lasting tool. It incorporates Goldblatt’s quick-change system that greatly simplifies the chore of replacing worn out blades and allows you to store up to 5 spare blades in a separate, easily accessible compartment located in the handle. This helps ensure the user never runs out of blades at an inconvenient time.