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Business & Industrial / Facility Maintenance & Safety / Access Control Equipment / Locksmith Equipment / Other Locksmith Equipment
Lab DPT1 Door Lock Backset Marker This handy and inexpensive tool allows you to easily measure and mark the holes necessary to install most modern door knobs and deadbolts. Marks holes for both 2 3/8" & 2 3/4" backsets and cross bore hole for 1 3/8", 1 3/4" and 2 1/4" thick doors. Stainless steel tool measures 3" x 3 1/2". Check out our Ebay store to see all the items we sell!
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