Very strong and rugged clear polycarbonate box to store standard Hitachi SEM mounts with M4 threaded hole in the base. This box is watertight, crushproof and dustproof. The strong hinges, locking clasps and soft silicone O-ring seal makes this an ideal transport, shipping and storage box for SEM samples on pin mounts. The holder insert is numbered 1-10 and accommodates Hitachi SEM mounts from 15-32 mm diameter. Same storage capacity as #16791.