The Sd1 was dropped in various sizes of containers & had a limited use within the United Kingdom but were widely used on the Russian Front.
World War Two - Air Dropped Ordnance
Including: Sd1, Sd4 & the Sd10.
Anti-personnel (fragmentation) bombs were designed to be used
against troop concentrations & also on airfields etc. Some were fitted with
delay action fuzes & sometimes anti-handling fuzes.