the M18A1 Claymore is a directional anti-personnel mine developed for the United States Armed Forces. Its inventor, Norman MacLeod, named the mine after a large medieval Scottish sword. Wikipedia
Designed: 1952–1956
Filling: C-4
Height: 124 mm (4.9 in)
Used by: United States, United Kingdom
Mass: 3.5 lb (1.6 kg)
Manufacturer: Mohawk Electrical Systems, Inc.
Unit cost: $119 as of 1993