Type 99 Pilot's Parachute Knife

Material: High-strength stainless steel
Hardness: ~60 HRC
Overall length: 23.2 cm
Blade length: 10 cm
Thickness: 0.3 cm
Width: 1.9 cm

The Type 99 pilot’s survival knife is a retractable, automatic spring-loaded knife, consisting primarily of a blade, handle, safety mechanism, release switch,

internal spring, crossguard, sheath, and a safety lanyard.