The straight edge can move and can be locked by the clamping screw.
Made of hardened stainless steel.
Related products
Measuring/ Inspection Instruments
Insize 2771-S90, SQUARE (zero setting, optional), 6940561979596
$28.77
Measuring/ Inspection Instruments
$1,511.14

3M 00688, Dynatron Fiberglass Mat, 8 sq ft, 7000125088
Insize 4144-315, GRANITE SQUARE, 12.4x12.4", 6928640320538 