What does MSLA mean for a Zero threshold?

MSLA is optional mounting hardware for thresholds.  MSLA-10 (also called #223) is a 10-24 machine screw with anchor.  MSLA-4 (also called #224) is a 1/4-20 machine screw with anchor.  Other anchors are available.  See catalog.

(MSLA = Machine Screw, Lead Anchor)


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