This is a resin detail parts set for use with aircraft kits.
From the manufacturer:
KEPD 350 is a modern European Long range air-to-surface produced by TAURUS Systems (MBDA and Saab) is intended for penetrating hardened targets. It is used by German, Spanish and South Korean air forces and was tested by Swedish Air Force, too. The missiles can be carried by German AF Tornado, Spanish F-18 and South Korean F-15R aircraft. The missile was test launched from JAS 39 and Eurofighter aircraft. The missile is cast in one piece with only separate fins. The set contains decal sheet with stencils, 20 color photo-etched Remove Before Flight tags and plain photo-etched fret with small parts.