Reduzierhülse (Feminine)

adapter sleeve (Neuter)

Example sentences:

Two lugs can be broken off the adapter sleeve to allow a Slide Strip to run over it.

reducer (Neuter)

reduction sleeve (Neuter)

manga de adaptador (Neuter)

manga de reducción (Neuter)

减径管 (Neuter)

变径套 (Neuter)

紧定套 (Neuter)