Select from four styles to suit yours needs. All 3.05mm in diameter with a solid borders for easy handling. Order numbers include a code letter that indicates metal type:

C=Copper
N=Nickel
G=Gold
P=Copper/Palladium
GC=Gold Plated Copper
GN=Gold Plated Nickel

Gold plated copper and gold plated nickel grids for inertness of gold, but for a much lower price.

Index Grids 200F1 Index Grid 200F1
Index Grids 200F2 Index Grid 200F2
Index Grids G200HF3 Index Grid G200HF3