De or het sabelkling?

The correct Dutch article is:

de sabelkling

Rule Words ending in -ing: almost always de. See the rule

How to use sabelkling

the sabelklingde sabelkling
this sabelklingdeze sabelkling
that sabelklingdie sabelkling
our sabelklingonze sabelkling
your sabelklingjouw sabelkling
every sabelklingelke sabelkling
which sabelkling?welke sabelkling?
a big sabelkling / the big sabelklingeen grote sabelkling, de grote sabelkling