Universal Kydex Fire steel/Ferro Rod Loop
Precision molded from .080" kydex and CNC Precision Cut for a prefect fit.  Comes with all necessary hardware for mounting on both eyelets or slots (see image above). Available in 1/4", 5/16", 3/8" and 1/2"  fire steel/ Ferro Rod diameters.

Hole Ranges:
Type 3 Hole: Eyelet Spacing .5" to 1.0"(13mm to 25mm) (1.85" long)

Type 4 Hole: Eyelet Spacing .5" to 1.5" (12.7mm to 38mm) (2.35" long)

Type 8 Hole: Eyelet Spacing .5" to 1.5" (12.7mm to 38mm)  & .375" Hole Spacing Across (2.35" long)

 All ESEE Factory Knife Sheaths use a 4 or 8 Hole Type  Fire steel/Ferro Rod Loop or 1.5" Spacing.

 
Low Strength Vibra-Tite or Threadlocker is recommended for the hardware.
Installation:

Rubber washer goes in between fire steel loop, and kydex sheath. Use Oval Head Screws for mounting into eyelets, or use Truss Head Screws for mounting into slots.

 
Commonly Available Fire steels by Size:

3/8"

Sage wood Gear FR3/8 Delrin Handle Fire steel

Light My Fire Fire steel - Army Model

5/16"

Exotac FireROD

1/4"

Light My Fire Fire steel - Scout Model