No121 ?? id please

[spotter]

Can anyone tell me about this fuze ive just got please,,Is it a No 121..
Markings 338 121 II 6/16 VSM(worn)
What were these used with
any info welcome
thanks spotter

 

[Weasel]

Hi Spotter,
I looks to me like a fuse for British 2pdr HE round.
Though i have to say fuses are not my area of expertise.
Weasel.

 

[Quatermass]

Its a fuze for the WW1 Naval 2 pdr H.E. (40x158R)

Quatermass.

 

[spotter]

Thank you weasel and Q...
I can add a picture to this now as well ..