The phrase "small but specialized" is correct and usable in written English
You can use the phrase to describe something that has a small size but a narrow focus. For example, "The publishing company had a small but specialized selection of books."
Gaskins thinks he may have been the first person to use the program in the modern way, in a Paris hotel in 1992 — which is like being the first person ever to tap a microphone and say, "Can you hear me at the back?") The Macintosh market was small and specialized, but within this market PowerPoint — the first product of its kind — was a hit.
Such diversified giants as Travelers, AIG, Allianz and AXA may not need to reinsure much of their exposure, but for small, specialized insurers that could be wiped out by a single event, reinsurance is vital.
But this interest was small and specialized compared with 19th-century theories of social evolution.
There's a whole industry built around this, the 'smart house', but it is still a small and specialized market because of the high cost of the components.
By the time merger mania died down in 1989, after the collapse of the junk-bond financier Drexel Burnham Lambert, Skadden Arps was no longer a small, specialized firm but a fixture in the top tier of the corporate bar, claiming about a third of the Fortune 500 as clients.
Although that market has remained small and specialized, Mr. Porter said it had the potential to grow.
Most citizen journalism reaches very small and specialized audiences and is proudly minor in its concerns.
Almost all are small and specialized -- one old-fashioned place sells only wire-mesh strainers and containers made on the premises; another is devoted to paper bakery supplies, like frilled brioche holders -- but so many shops demand some pacing.
Some independent music store owners depicted the move as a blow to small and specialized record stores, who depend on the promotional payments.
