Overview
Summary: this is a Remote Survival Company "RS-1" Survival Knife. The handle scales are yellow paper micarta , there is a wire saw coiled up inside the handle on a 5/8" spool. The knife has a .196" stock. Nickel silver liners and stainless steel backspacer. Has some scratches, otherwise good condition. I could not figure out how to open the saw. #005 on blade.
We know nothing about this knife other than what I've read on the internet.
Information about the Remote Survival Co. RS-1 found on the internet:
The RS-1: A Survival Tool
"The RS-1 has been designed for the strict purpose of survival under the most adverse conditions possible. Its an ultra heavy-duty survival tool and is therefore not considered in the same category as that of a normal hunting knife.
The blade is a fill quarter inch think, specially designed to perform all survival tasks with optimum efficiency. Alloy is 440-C Stainless. Heat treatment begins with an annealing operation and follows through with a cryogenic (Deep Freezing) process and tempered to a hardness "C" 58 - 60 in a vacuum atmosphere furnace. These blades will hold their edge longer than most other knives and are easier to sharpen because of their hollow-ground design that tapers to a thin, yet strongly reinforced cutting edge. This means that the RS-1 blade can maintain it's cutting efficiency over a longer period of time and be quickly sharpened using a small pocket stone or sharpening steel. This very important necessity is often over-looked in survival knife designs.
The RS-1 can be opened and closed with one hand, even while wearing heavy gloves or mittens. This feature can be important should you sustain an injury to one of your arms in a plane crash or during a survival situation.
The Saw
The RS-1 is unlike any other survival folding knife in the world, because it contains a 16" wire saw that coils around a 5/8" diameter spool within the rear handle.
The saw is currently used by the military in survival kits. It can saw through a 2" limb in 45 seconds. It can also saw through harder materials, such as bone, ice and thin-gauge Aluminum such as found in aircraft fuselages.
The RS-1 saw can be brought into instant action by it's pull bar, and is re-wound inside of 20 seconds. For extended survival use, the saw can be detached immediately in the field without tools for construction of a regular bow saw."
Very few of these knives are known to exist commercially and are very rare. The knife is known to be at least 25 - 30 years old."