The handmade Damascus steel hunting and survival Sanmai trench knife is a specialized type of knife that combines various materials and forging techniques to create a unique and durable blade. Let's break down the components of this knife:

1. Damascus Steel: Damascus steel is a type of steel known for its distinctive patterns, strength, and durability. It is created by layering and forging different types of steel 15N20 and 1095 together, often with different carbon content, to create a patterned blade. The process involves repeatedly folding and welding the steel layers to create a solid and robust blade.

2. Sanmai Construction: Sanmai is a Japanese term that refers to the construction technique of sandwiching a hard core steel between two layers of softer steel. This combination provides the blade with a strong, durable edge while maintaining flexibility and resistance to breaking. The outer layers of softer steel also serve to protect the core steel from corrosion.

3. Trench Knife Design: A trench knife is a specific type of knife that was historically designed for military use, primarily in close combat situations. It typically features a fixed blade, a handle with a guard, and a reinforced point for stabbing. Trench knives often have a shorter blade length compared to other hunting or survival knives, making them more suitable for close-quarters combat.

4. Hunting and Survival Features: In addition to the trench knife design, a hunting and survival version may include additional features to enhance its functionality in outdoor scenarios. This could include a file-work on spine and cutting through wood, an outdoor for field dressing game, fishing line, hiking or a camping.

Specifications:

• Overall length: 15.00".
• Blade length: 9.00".
• Handle length: 6.00".
• Blade width: 2.50"
• Blade thickness: 6 mm
• Steel: Damascus Steel
• Hardness: 60C Rockwell