The 2900BK AUTO IMMUNITY™ is a compact and highly functional automatic knife designed for situations where blade length restrictions apply, such as federal buildings or other non-permissive environments. Here's a breakdown of its key features:

Specifications:

• Blade Length: 2.49 inches (6.32 cm)
• Blade Thickness: 0.09 inches (2.286 mm)
• Open Length: 5.94 inches (15.088 cm)
• Closed Length: 3.46 inches (8.788 cm)
• Handle Thickness: 0.5 inches (12.7 mm)
• Weight: 2.37 oz (67.188 g)

Features:

• Blade Edge: Plain for clean cuts and versatile use
• Blade Finish/Color: Cobalt Black for a sleek and durable finish
• Blade Steel: CPM-M4 (62-64 HRC), offering exceptional edge retention and toughness, ideal for both utility and self-defense use
• Blade Style/Shape: Wharncliffe, a blade shape with a straight edge and a needle-thin tip for precise cutting and self-defense
• Clip Position: Tip-Up for a convenient carry option
• Glass Breaker: No
• Handle Material: 6061-T6 Aluminum for strength and lightweight construction
• Handle Color: Crater Blue, adding a unique and visually appealing touch
• Lanyard Hole: Yes, allowing for additional carrying options
• MOLLE Compatible: No
• Use: Tactical and everyday carry (EDC) use

The Immunity™ was designed to meet the needs of those who require a small, easy-to-conceal knife with the ability to perform utility and self-defense tasks. The Wharncliffe blade, paired with CPM-M4 steel, offers superior edge retention, with the needle-thin tip focusing all of the cutting force on a small area, making it effective for precision cuts and defensive purposes. Its 6061-T6 Aluminum handle is lightweight but strong, and the Crater Blue color adds a distinctive touch. The lanyard hole provides an additional means of carry, making it a highly practical tool for those in restricted environment