driving the shorter sizes of nails.
The block-out simply fills space
not occupied by the shorter nails to
help prevent the “back-drive” of a nail.
Back-drives occur more often with the
shorter nail sizes, when the nail tries
to drive back toward the magazine
track, instead of out the hole at the tip
of the guide body (nose) of the tool.
With the block-out properly installed,
a back-driven nail will be blocked from
driving toward the magazine, so it can
drive out the hole.
For driving smaller quantities of the
shorter nails, a block-out should not be
Source: Senco Brands Inc. For information
call 800-543-4596 or visit Senco.com.