Bopla pk euromas polymas enclosures silver grey bopla pk 105 the euromas polymas enclosure from bopla is a sturdy polyamide case for fitting small electrical components and terminal blocks it comes in silver grey and is supplied with a lid base and screws made of v2a this particular version comes without a moulded on cable gland bopla pk 105 euromas polymas enclosure 75 x 80 x 57 silver grey