PrimerTsukuyoSteel wiresRetardant (Zirconium-Nickel)
(~5 seconds)K413 Fragmentation Grenade
- Grenades are largely divided between the 'fuse' and the 'body'
- The 'body' determines the effect of the grenade, while the 'fuse' determines the timer of the grenade.Delayed FuseStrikerExplosive FillingTungsten cube fragmentsSafety Pin, Safety ClipSafety LeverExplosive bodyDetonator
Lead Styphnate (LS)
Lead(II) azide (LA)Enamel painted outer metal shellIzunaWired fuse (= retardant)As shown above, a fuse that utilizes a slow burning stack of gunpowder is a "flame retardant fuse"The fuse bomb used by the students of Hyakkiyako is most likely the predecessor of the delayed fuse grenade.Furthermore... The safety pin is rather difficult to pull out, so I do not recommend that you bite it and try to pull it out with your teeth, Sensei.
