JSM 35 Standard Holder in brass, holds up to 21 standards of your choice.
JEOL 100CX Standard Holder in brass for use in the STEM mode. Holds up to 7 standards of your choice.
JXA 733 Standard Holder in brass; holds up to 12 standards of your choice.
JEOL Temscan bulk Standard Holder made from plastic; holds 3-5 standards, fitted in a JEOL BR1 holder.
(your choice from our list of compound, pure metal, NBS, or BAS Standards).