Standard grids diameter is of 3mm. Most of types are available with 2.3mm diameter also. G50 Mesh Specifications click image for larger view Mesh (lines/inch) 50 Pitch (um) 500 Bar Width (um) 80 Hole Width (um) 420 Rim Specifications Rim width (mm) 0.225 Centre Mark None Rim Mark No Availability Gold per Vial 50 Other per Vial 100 2.3mm Yes G75 Mesh Specifications click image for larger view Mesh (lines/inch) 75 Pitch (um) 340 Bar Width (um) 55 Hole Width (um) 285 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark No Availability Gold per Vial 50 Other per Vial 100 2.3mm Yes G100 Mesh Specifications click image for larger view Mesh (lines/inch) 100 Pitch (um) 250 Bar Width (um) 45 Hole Width (um) 205 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial 50 Other per Vial 100 2.3mm Yes G150 Mesh Specifications click image for larger view Mesh (lines/inch) 150 Pitch (um) 165 Bar Width (um) 40 Hole Width (um) 125 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial Other per Vial 2.3mm Yes G175 Mesh Specifications click image for larger view Mesh (lines/inch) 175 Pitch (um) 145 Bar Width (um) 37 Hole Width (um) 108 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial 50 Other per Vial 100 2.3mm No G200 Mesh Specifications click image for larger view Mesh (lines/inch) 200 Pitch (um) 125 Bar Width (um) 35 Hole Width (um) 90 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial 50 Other per Vial 100 2.3mm Yes G200TH Mesh Specifications click image for larger view Mesh (lines/inch) 200 Pitch (um) 125 Bar Width (um) 40 Hole Width (um) 85 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial 50 Other per Vial 100 2.3mm No G200TT Mesh Specifications click image for larger view Mesh (lines/inch) 200 Pitch (um) 125 Bar Width (um) 35-25 Hole Width (um) 95 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial 50 Other per Vial 100 2.3mm Yes G200T Mesh Specifications click image for larger view Mesh (lines/inch) 200 Pitch (um) 125 Bar Width (um) 40 Hole Width (um) 85 Rim Specifications Rim width (mm) N/A Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial 50 Other per Vial 100 2.3mm No G250 Mesh Specifications click image for larger view Mesh (lines/inch) 250 Pitch (um) 100 Bar Width (um) 30 Hole Width (um) 70 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial 50 Other per Vial 100 2.3mm No G300 Mesh Specifications click image for larger view Mesh (lines/inch) 300 Pitch (um) 83 Bar Width (um) 25 Hole Width (um) 58 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial 50 Other per Vial 100 2.3mm Yes G400 Mesh Specifications click image for larger view Mesh (lines/inch) 400 Pitch (um) 62 Bar Width (um) 25 Hole Width (um) 37 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark Yes Availability Gold per Vial 50 Other per Vial 100 2.3mm Yes G600TT Mesh Specifications click image for larger view Mesh (lines/inch) 600 Pitch (um) 42 Bar Width (um) 16-10 Hole Width (um) 30 Rim Specifications Rim width (mm) 0.225 Centre Mark Asymmetrical Rim Mark No Availability Gold per Vial 50 Other per Vial 100 2.3mm No