... quality Specification:1.Holland wire mesh2,wire diameter:BWG6-233.hole size :1/4"-4"4.roll length:20m-30m width ... /4"6.4mm x 6.4mm22,23,243/8" x 3/8"10.6mm x 10.6mm19,20,21,221/2 ... " x 5/8"16mm x 16mm18,19,20,21,3/4" x 3/4"19.1mm x 19.1mm16,17,18,19 ...