[Wolfas]

    LIMIT_ONE = 1;
    TRADEABLE = (1 << 1);
    SELLABLE = (1 << 2);
    STORABLE _ IN _WH = (1 << 3);//storable in character warehouse
    STORABLE _ IN _ AWH = (1 << 4);//storable in account warehouse
    STORABLE _ IN _ LWH = (1 << 5);//storable in guild warehouse
    BREAKABLE = (1 << 6);
    SOUL _ BOUND = (1 << 7);
    REMOVE _ LOGOUT = (1 << 8);//remove when logout, temporary items
    NO _ ENCHANT = (1 << 9);
    CAN _ PROC_ENCHANT = (1 << 10);
    CAN _C OMPOSITE_WEAPON = (1 << 11);
    REMODELABLE = (1 << 12);//cannotchangeskin == 0
    CAN _ SPLIT = (1 << 13);
    DELETABLE = (1 << 14);//itemdroppermitted
    DYEABLE = (1 << 15);

Как я понимаю маска
15 -даёт все свойства
маска: 3814
даёт, не, не доходит)

Хм может быть по логике:
Маска: 46814

Даёт: 13, 12, 11, 10, 9, 8, 5, 4, свойства