Fragmentation mine (Fallout 4)

Fragmentation mines are a type of explosive ordinance that can be found and obtained in the Commonwealth, in Fallout 4.

Characteristics
Frag mines aren't as powerful as most other explosives, but they're often found scattered around Pre-War outposts and raider encampments. Frag mines can also be crafted by the Sole Survivor at any Chemistry station with Demolition Expert Rank 2:

Crafting
With the Contraptions Workshop add-on, fragmentation mines can be manufactured using a explosives mill as well as the chemistry station.