RadioShack Project Enclosure Box (4 x 2 x 1 inches) Perfect for electronic hobbies, science kits and more! Constructed of durable ABS plastic, this enclosure features four standoffs in the bottom corners to support a PC board Standoffs are 1/4" high with holes that accepts a #4 screw Slots are provided on all four sides of the enclosure to allow a PC board to be mounted horizontally or vertically along the length or width of the enclosure Enclosure includes aluminum and plastic lids Partial cutouts for DB-9 or HD-15 connectors