EM-Tec SB1 single pin stub storage tube is ideal for storing or transporting a single pin stub. Protects the SEM specimen on the pin stub from cross contamination. Capacity is a single pin stub with 12.7 or 19mm diameter. Designed for 3.2mm pins with various lengths (6, 8, 9.5 and 14mm) The pin stub is held firmly in the brown LDPE cap (base) of the clear polystyrene tub. Maximum specimen height is approx. 20-25mm.