The Spyderco Rescue Assist Knife is specifically designed for emergency and rescue situations, making it a valuable tool for both professionals and civilians. Here are the key features and specifications:

- **Blade:** 

  - Material: VG-10 steel

  - Type: Blunt tipped with eighty percent SpyderEdge and a PlainEdge tip for detailed cutting

  - Finish: Black

  - Length: 3.687" (94 mm)

  - Cutting Edge Length: 3.188" (81 mm)

  - Thickness: .125" (3 mm)

- **Handle:** 

  - Material: FRN

  - Length (closed): 4.875" (124 mm)

  - Weight: 4 oz (115 g)

  - Design: Bi-Directional textured contours for an ergonomic grip

- **Unique Features:**

  - Cobra Hood for quick blade deployment

  - Wavy pattern for improved rope cutting functionality

  - Retractable carbide tip for breaking glass

  - Integrated survival whistle outlined in safety orange

  - Carries left/right handed, tip-up with a tension wire clip

This knife is certainly built to handle demanding situations while ensuring safety and ease of use.