EM-Tec SB153 clear styrene box with 153 (9x17) storage positions for standard 12.7mm pin stubs. Storage capacity for 40 of the 25.4mm pin stubs. Pin stubs up to 100mm can be stored in this heavy duty box. Made from clear polystyrene with two brass plated hinges and snaplock lid. Outside dimensions are 275 x 160 x 57mm. The 34.5mm inside clearance leaves a maximum sample height of 31mm on the pin stubs. Full visibility of samples or holders through the lid. This clear and heavy duty high box is ideal for storing pin stub based SEM sample holders and larger specimens. Cost for storing pin stubs in this large capacity box is 40-50% lower, compared to pin stub storage boxes holding only 14 or 18 pin stubs.