The body of this grenade was made of cast iron.
It had a wide top which was closed with a threaded disc which held a threaded cavity to fit the No.247 impact fuze.
The base was provided with a plug through which the detonator was inserted.
The grenade was filled and plugged from the side.
Both base plug and filler plug are similar as used on the No.69.
Length : 105mm
Diameter : 51mm
Weight : 453gram
Filling : 57gram baratol
Photo below © Dave Sampson