1.21mm hole coarse brass mesh.
Coarse brass mesh filter sheet is made from 0.375mm brass wire.
This is top quality mesh that is especially suited to fine filtration.

Wire cloth specification
The specifications of this woven wire mesh are as below:-
Mesh count = 16 holes per linear inch
Holes / Wires Per square inch = 256 holes per square inch
Wire thickness = 0.375mm
Hole size / Aperture = 1.21mm
Open area % = 58%
Can be cut with scissors.