=Type.= Time.
=Weight.= One lb. 11½ oz. complete.
=Explosive.= Ammonal, 5½ oz.
=Safety Device.= Safety pin in Nobel lighter. (See Patent Lighter.)
=Body.= Cast-iron sphere, 3 in. diameter.
=Igniter.= Nobel lighter, 1¾ in. fuse, No. 8 M.K. VII detonator.
=To Prepare for Use.= See Hand Grenade No. 8.
=To Fire.= See Hand Grenade No. 8.
[Illustration: BALL GRENADE.]